Encyclopedias and dictionaries
Encyclopedias and dictionaries are referenced in a similar way to edited book chapters.
Print example
Connor, M . (2001). Health behaviors. In N. J. Smelser & P. B. Baltes (Eds.), International encyclopedia of the social & behavioral sciences (Vol. 10, pp. 6506–6512). Elsevier Science.
- Parenthetical citation: (Connor, 2001)
- Narrative citation: Connor (2001)
Electronic examples
Blatt, G. (2021). Autism. In Encyclopædia Britannica. Britannica Group. Retrieved October 28, 2019, from https://www.britannica.com/science/autism
Kirk, R. (2023). Zombies. In E. N. Zalta (Ed.), The Stanford encyclopedia of philosophy (Fall 2023 ed.). Stanford University. https://plato.stanford.edu/archives/sum2023/entries/zombies/
Royal, T. A. C. (2005). Story: Māori creation traditions. In Te ara: The encyclopedia of New Zealand. Manatū Taonga–Ministry for Culture and Heritage. Retrieved August 5, 2020, from https://teara.govt.nz/en/maori-creation-traditions
- Parenthetical citations: (Blatt, 2021; Kirk, 2023, Are Zombies Conceivable? section; Royal, 2005, p. 3)
- Narrative citations: Blatt (2021), Kirk (2023, Are Zombies Conceivable? section), and (Royal, 2005, p. 3)
- Include the DOI, or if there is no DOI, a URL that will work for all readers.
- Include a retrieval date if entries are updated over time and not archived.
- The Stanford Encyclopedia of Philosophy:
- Click the “Author and Citation Info” link on the article webpage to get the URL and article details for the archived version. As articles are archived, a retrieval date is not required.
- Articles are unpaginated, but sections headings – using– can be used to indicate the part of the article.
- Articles in theTe Araencyclopedia are typically paginated. If you use only a part of an article, you may choose to help your reader locate it by giving the page number in the in-text citation.
Print examples
Johnson, A. G. (2000). Capitalism. InThe Blackwell dictionary of sociology: A user’s guide to sociological language (2nd ed., pp. 31–33). Blackwell Publishers.
Oxford University Press. (1997). Huntaway. In H. W. Orsman (Ed.), The dictionary of New سԹEnglish: A dictionary of New Zealandisms on historical principles (p. 366).
- Parenthetical citations: (Johnson, 2000; Oxford University Press, 1997)
- Narrative citations: Johnson (2000) and Oxford University Press (1997)
- Often – as in the Oxford University Press reference above – dictionaries do not have individual authors but are group projects. In that situation, a group author in the form of the publisher name is appropriate in the author position (APA Style Experts, personal communication, September 17, 2021).
- See alsoon the APA Style website.
Electronic examples
Moorfield, J. C. (n.d.). Kaitiakitanga. In Māori dictionary: Te aka Māori-English, English-Māori dictionary. Retrieved October 5, 2020, from https://maoridictionary.co.nz/search?idiom=&phrase=&proverb=&loan=&histLoanWords=&keywords=kaitiakitanga
Oxford University Press. (2002). Transnationalism. In C. Calhoun (Ed.), Dictionary of the social sciences. https://doi.org/10.1093/acref/9780195123715.001.0001
Oxford University Press. (2023a). Sell, noun1. In M. Proffitt (Chief Ed.), Oxford English dictionary (3rd ed.). Retrieved July 22, 2024, from https://doi.org/10.1093/OED/8471210558
Oxford University Press. (2023b). Semantics. In M. Proffitt (Chief Ed.), Oxford English dictionary (3rd ed.). Retrieved July 22, 2024, from https://doi.org/10.1093/OED/2881032460
Scott, J. (2014). Discrimination. In A dictionary of sociology (4th ed.). Oxford University Press. https://doi.org/10.1093/acref/9780199683581.001.0001
White, L. J. (2011). Fannie Mae, Freddie Mac and the crisis in US mortgage finance. In Palgrave Macmillan (Ed.), The new Palgrave dictionary of economics (Living ed., pp. 1–11). Palgrave Macmillan. https://doi.org/10.1057/978-1-349-95121-5_3002-1
- Parenthetical citations: (Moorfield, n.d., Definition 1; Oxford University Press, 2002, 2023a, 2023b; Scott, 2014; White, 2011)
- Narrative citations:Moorfield (n.d., Definition 1), Oxford University Press (2002, 2023a, 2023b), Scott (2014), and White (2011)
- Author: Often – as in the Oxford University Press references above – dictionaries do not have individual authors but are group projects. In that situation, a group author in the form of the publisher name is appropriate in the author position (APA Style Experts, personal communication, September 17, 2021).
- The online Māori Dictionary is continually updated. Use ‘n.d.’ as the year of publication instead of website footer dates (such as 2003–2024) and include a retrieval date.
- Oxford English Dictionary (OED) online and similar online dictionaries:
- Year: The year of the most recent update for the specific entry is the year to use in the reference. OED provides the date if you click the “Cite” button in the entry.
- Title:
- The first letter of the entry is capitalised in the reference list, even when it is not in the dictionary.
- Part of speech:
- The part of speech does not need to be part of the reference list entry (“semantics” example above; this is a convention of APA Style dictionary entry references). When the part of speech needs to be specified, it can be included in the in-text citation.
- When there are separate entries for different parts of speech or for homographs, however, include the whole heading in the reference (“sell” example above).
- DOI and URL:
- Use a DOI when available. OED provides the DOI if you click the “Cite” button in the entry.
- If the source has no DOI, use the URL that will work for all readers or for dictionaries with a subscription paywall, use the home page URL.
- Retrieval date with DOI or URL: A retrieval date is needed for the current entry if, as with the OED, the dictionary archives none or only some but not all entries. If you are referencing an earlier, archived entry, omit the retrieval date.
- This guidance is based on advice from the APA Style Experts (personal communication, September 17–25, 2021, July 22, 2024).
- When specifying a definition in your narrative, use italics for the first use of key terms or phrases when accompanied by a definition, for example:
- Kaitiakitanga has been defined as “guardianship, stewardship, trusteeship, trustee” (Moorfield, n.d., Definition 1). Accordingly, kaitiakitanga ...
- Semantics refers to the “study or analysis of meaning in words, sentences, etc.” (Oxford University Press, 2023b, Definition 2a).
- See also on the APA Style website.
