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APA 7th edition - Citations: Dictionaries, Encyclopedias, Reference Works

APA 7th edition

Dictionaries, Encyclopedias, Reference Works

General format

Reference List 

AuthorLastName, A. A. (Date). Title of entry. In Title of encyclopedia or dictionary. Publisher. Retrieved Month day, year from http://www.website.com/webpage

In-Text

(AuthorLastName, Year)

Note: If author and publisher are the same, for example an organization, list them only once as the author, then remove the publisher from the reference list and do not list them a second time.
Note: If an online source is continuously updated and the versions are not archived, use (n.d.) instead of a date. In this case, you will also include a Retrieved from date. 

1. Entry in Dictionary or Encyclopedia - Online

Reference List

Yusufali, S. (2015, May 26). Air Canada. In The Canadian encyclopedia. Historica Canada. Retrieved October 28, 2019, from https://thecanadianencyclopedia.ca/en/article/air-canada

In-Text

(Yusufali, 2015)

2. Entry in Dictionary or Encyclopedia - Print

Reference List

Merriam-Webster. (1979). Synergy. In Webster’s new collegiate dictionary (8th ed.). Thomas Allen & Son; G. & C. Merriam Company

In-Text

(Merriam-Webster, 1979)

3. Research Starters (Library Database)

Reference List

Shepherd, J., & Shaughnessy, M. (n.d.). Procrastination. In Salem press encyclopedia of health. Retrieved December 21, 2018, from https://www.salempress.com/

In-Text

(Shepherd & Shaughnessy, n.d.)

Note: Use n.d. in the date space to identify that the source has no date. Add a retrieved from date because the source is updated frequently.

4. Diagnostic & Statistical Manual (DSM)

Manual as a whole:

Reference List

American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.). https://doi.org/10.1176/appi.books.9780890425596

In-Text

(American Psychiatric Association, 2013)

 

Individual entry in the manual:

Reference List

American Psychiatric Association. (2013). Anxiety disorders. In Diagnostic and statistical manual of mental disorders (5th ed.). https://doi.org/10.1176/appi.books.9780890425596.dsm05

In-Text

(American Psychiatric Association, 2013)

Note: The author and publisher are the same, so list them once as the author and remove the publisher from the reference list entry.