APA guide

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The APA citation and referencing system (from the American Psychological Association) is used for academic writing in the social sciences and education fields, including linguistics, education, psychology, and others. It is a parenthetical name+date system, that is, author names and publication dates are cited in parentheses within the body of a paper, with full references at the end of the paper. Currently, the 6th edition of the APA is commonly used[1]. The APA guide contains specifications for in-text source citations, end references, and paper format (the format specifications are mainly used for course papers, theses and dissertations, and paper drafts submitted to journals).


1 Overview

The APA style specifies how sources are cited in the text of a paper, by means of in-text citations and end references.

1.1 In-text citation of sources

Works are cited within the text of a paper with author last name(s) and publication year in parentheses, or the author name(s) stated directly in the sentence with years in parentheses. Ampersands (&) are used only inside parentheses for multiple authors, while 'and' is used for names outside of parentheses.

At least one recent applied phonology text by Yavaş (2011) has addressed this issue …
A recent survey (Nevalainen & Traugott, 2012) notes that ...
A recent survey by Nevalainen and Traugott (2012) notes that ...
One recent study (En, Brebner & McCormack, 2014) reported that ...

The in-text citation goes inside the sentence, and if it comes at the end, it still is placed before final punctuation (inside a final period, that is, the period comes after the closing parenthesis of the citation). In the example below, the names and years can all be inside parentheses, or if the name is directly used in the sentence, then the year immediately follows in parentheses.

Such widely skewed distributions have been noted by several recent surveys (Wolfson, 1998; Johns et al.; 2001; Manatee, 2004). However, some like Wolfson (1998) arguing for a best fit from a logistic distribution, while others (Johns et al., 2001; Karpo, 2008) argue for a binomial distribution.

For citing multiple sources together, each entry is separated by a semi-colon, and they are ordered alphabetically according to the first author.

Recent studies have shown that East Asian students overuse certain transitional items (Ahn & Lee, 2001; Kim, 2004; Lee & Smith, 2003; Lee et al., 2008) due to …


1.2 End references

At the end of a paper, a section called 'References' appears (or 'Reference', if only one source is used). Full bibliographic information appears here for all sources cited in the text (and only for those cited in the text). Notice that the year appears in parentheses in the final bibliographic citation, in strict APA in formal publications. The titles of books, magazines, and scholarly journals are italicized, followed by the volume number (for journals or other periodicals) and the page numbers. Titles of articles or chapters are not italicized. When the citation is longer than one line, the second line is indented five spaces or one tab space – a hanging indentation format, like below.

References

En, L.G.W., Brebner, C., & McCormack, P. (2014). A preliminary report on the English phonology of typically developing English–Mandarin bilingual preschool Singaporean children. International Journal of Language & Communication Disorders, 49(3), 317-332.

Yavaş, M. (2011). Applied English Phonology. Malden, Mass.: John Wiley & Sons.


The end references are not numbered, but use a hanging indent layout (the first line aligns with the left margin, and the rest of the entry is indented about 1.25 cm to the right). In MS Word, right-click for paragraph properties, and for paragraph format, chose handing indent, and use the default 1.25 cm (1/2 inch) setting. In LibreOffice, edit the paragraph properties or bibliography format properties; manually create a 1.25 cm text indent, and a -1.25 cm reverse indent for the first line. For papers in university and graduate school courses, this section is usually on a separate sheet of paper; for a master's thesis or doctoral dissertation, it forms a separate section or chapter. The bibliographic entries are often double-spaced, at least in course papers and theses.

In official APA, author’s given names are usually initialized, i.e., abbreviated in the end references, e.g., the name John Smith is written as “Smith, J.” This can of course become rather annoying, because “Smith, J.” could also be Jennifer Smith, Jack Smith, Jackqueline Smith, etc.

Journals
Journals are cited as in this example, with the title after the year, and the journal name and volume number are italicized. After the volume number, the issue number is in parentheses (i.e., (2) = issue two of volume 14, or the 14th year of the journal's publications), followed by page numbers. The issue number can be omitted if it is not known.

Zorg, J., Delitz, K., Regan, R., & Krum, A. (1998). Sociocultural aspects of economic growth in ex-Soviet republics. Journal of European Economic and Policy Studies, 14(2), 556-598.

Popular periodicals
Popular periodicals, such as newspapers and magazines, include the date of the particular issue after the year in parentheses.

Springen, K. (1990, December 31). A 100 mile race? No sweat. Newsweek, p. 84.

Books
Books consist of author name(s), year, title, place of publication, and name of publisher.

Nevalainen, T., & Traugott, E. C. (2012). The Oxford handbook of the history of English. Oxford, UK: Oxford University Press.

Edited volumes
An edited volume is an academic book that consists of original research papers by various authors, often with one or more editors. The page numbers are in parentheses after the book title. The editors' names are initialized and indicated with '(Ed)' or '(Eds.)' for one or more editors.

Ringbom, H. (1999). High frequency verbs in the ICLE corpus. In A. Renouf (Ed.), Explorations in corpus linguistics (pp. 191-200). Amsterdam: Rodopi.

Note the capitalization patterns in these examples. The names of journals or periodicals follow traditional capitalization rules, known as title case, where important words (like all nouns) are capitalized. However, titles of books and articles follow sentence case, where only the following are capitalized: (1) the first word of the title, (2) a word after a colon, semi-colon, or dash, and (3) proper nouns; all other words are not capitalized.

Title case
All content words or longer words are capitalized
  • Journal of European Economic and Policy Studies
Sentence case
Only initial words and proper nouns are capitalized (and abbreviations, of course)
  • High frequency verbs in the ICLE corpus
  • Seeds of change: Tracing language evolution and agriculture


2 More on in-text citations

2.1 In-text citations: Multiple authors & citations

For several citations by the same author, these are listed in reverse chronological order.

Several studies of unusual intransitive verb syntax in this language have appeared in recent years (Zhou, 2015; Zhou, 2014).

For a source with three to five authors, all authors are listed the first time the source is cited. If the same source is cited later, the subsequent citation contains the first author followed by the abbreviation 'et al.' for the other names (Latin et alia = ‘and others’) instead of writing out all the names.

One study with Serbian and Slovakian readers (Svrto, Kalus & Paplovsky, 2013) reported slightly different reading patterns with the Cyrillic script than with non-Cyrillic writing systems. .... However, the Serbian study (Svrto et al., 2013) did not adequately control for possible L2 or bilingual interference effects.

For sources with six or more authors, the list is always abbreviated with 'et al.' after the first name. Of course, all names are listed in the end references.

An eye-tracking study on Russian native speakers (Rayner et al., 2015) used a masked priming technique to investigate … An eye-tracking study on Russian native speakers by Rayner et al. (2015) used a masked priming technique to investigate …

In the older APA style, the rule is to use 'et al.' for three or more authors. In the newer APA style (particularly used in psychology), this is used for six or more authors (since psychology researchers often publish many multi-author articles, so “Smith et al., 2002” might apply to multiple papers by Smith and colleagues in 2002).


2.2 Similar author names

The APA system of initializing author names in the end references can lead to confusion when similar names are cited in the text, especially similar East Asian names. In that case, in-text citations can, in addition to the family name, contain an initial or even a full name if necessary, to distinguish different authors with the same family names, especially for two sources from the same year.

One study (H. Lee, 2005) found that …, while another (S. Lee, 2005) reported that …


2.3 Authorless or undated sources

For sources with no authors, the title or the first few words of the title can be cited in the in-text citation. Undated works can be cited with “n.d.” This occurs mainly with electronic sources; see the section on electronic sources below.

These particle meanings have been classified in a few reference works (e.g., Oxford Phrasal Verbs Dictionary, 2006) in less than intuitive ways. Recent stories illustrate the problems of trying to confine octopi, such as the popular story of an octopus escaping its aquarium in New Zealand (“Renegade octopus,” 2016). Numerous other historical accounts exist of octopods escaping their tanks or aquariums (Smith, n.d.).


3 More on end references

3.1 Author names

In official APA, author’s given names are usually initialized, i.e., abbreviated in the end references, e.g., the name John Smith is written as “Smith, J.” This can of course become rather annoying, because “Smith, J.” could also be Jennifer Smith, Jack Smith, Jackqueline Smith, or others.

Zorg, J., Delitz, K., Regan, R., & Krum, A. (1998). Sociocultural aspects of economic growth in ex-Soviet republics. Journal of European Economic and Policy Studies, 14, 556-598.


3.2 Multiple authors

Authors are separated by commas, with an ampersand before the last author.

Marsh, H. W., & Martin, A. J. (2011). Academic self‐concept and academic achievement: Relations and causal ordering. British Journal of Educational Psychology, 81(1), 59-77. Monroe, J., Meredith, C., & Fisher, K. (1977). The science of scientific writing. Dubuque, IA: Kendall/Hunt. Torgersen, E. N., & Szakay, A. (2012). An investigation of speech rhythm in London English. Lingua, 122(7), 822-840.

Within the paper, this is cited as “ … (Torgersen & Szakay, 2012) … ”, or, e.g., “Torgersen and Szakay (2011) found that … ”. See the notes above about in-text citations of multiple-author works.


3.3 Multiple sources by the same author

Sources by the same author are also separated by semi-colons in the in-text citation and listed in reverse chronological order, e.g., “...(Zhou, 2004; Zhou, 2003). In the references section, they are listed in reverse chronological order, i.e., starting from the most recent works to earlier works. Hence, in-text: (Zhou, 2004; 2003).

Zhou, M. (2004). Analysis of Martian compound verbs. Extraterrestrial Linguistics, 14, 128-132. Zhou, M. (2003). Aspects of Venutian verb morphology. Journal of Exobiology and Linguistics, 5, 11-15.

The same author(s) may publish multiple works in the same year. They are then alphabetized by title and enumerated with lower case letters in the year.

Zhou, M. (2004a). Analysis of Martian compound verbs. Extraterrestrial Linguistics, 14, 128-132. Zhou, M. (2004b). Comparison of North and South Martian dialects. Journal of Extraterrestrial Language and Sociology, 7, 101-119.

These would be cited in the text as “(Zhou, 2004a)” and “(Zhou, 2004b)”.

3.4 East Asian names

With East Asian names, initializing names is cumbersome, and can be confusing (as there could be, e.g., multiple C.J. Kim's in one field); this is one area where APA fails in its attempts to be either concise or politically correct. Asian names are initialized depending on whether the first names are hyphenated or written together; e.g., Heekyoung = ‘H.’ and Hee-kyoung = ‘H.-K.’ and Hee Kyoung = ‘H. K.’

Cho, H. (2012). Phonation of Korean glottalized stops. Asian Phonetics Quarterly, 9, 125-134. Kim, H.-K. (2012). Socioloinguistic contrasts between Nepali and Tibetan EFL learners in Nepal. Sociolinguistics of Asia, 12, 78-85. Kim, H.K. (2012). The syntax of Middle Korean ergative verbs. Theoretical and Historical Linguistics, 14, 398-407.

How the name is initialized depends on how the person has chosen to romanize it (i.e., transcribe it in Latin letters). However, if the person has not published anything in English, you may not be able to find his/her preferred romanization, and in that case, you have to make your best guess; probably the hyphenated abbreviation is the best default option.

  • Single capital: Lee Heekyoung → Lee, H.
  • Separate: Lee Hee Kyoung → Lee, H.K.
  • Hyphenated capital: Lee Hee-kyoung → Lee, H.-K.


3.5 Dutch and German prefixed names

Some Dutch names and a few German names have prefixes that are in lower case, and are generally ignored when alphabetizing references. These include de, der, van, von and a few others.

Kim, H.K. (2012). The syntax of Middle Korean ergative verbs. Theoretical and Historical Linguistics, 14, 398-407.

van Pelt, L., (2015). Textual semantics in Beethoven's use of Schiller's poetry. Journal of ethnomusicology and culture, 2,(2), 145-153.

Van der Sandt, R. A. (1992). Presupposition projection as anaphora resolution. Journal of semantics, 9(4), 333-377. Zhou, M. (2004a). Analysis of Martian compound verbs. Extraterrestrial Linguistics, 14, 128-132.


4 See also

4.1 References and notes

  1. American Psychological Association. (2009). Publication Manual of the American Psychological Association, 6th Edition. American Psychological Association (APA).

4.2 Other pages on referencing / citation systems: