Skip to Main Content

APA Reference Guide: Dictionaries and Encyclopedias

APA Reference Guide 7th Edition to correctly acknowledge sources of information in your work and assessments

Online dictionary or encyclopaedia

Dictionaries and Encyclopedias

                                  

Dictionary

Referencing a dictionary or thesaurus (examples are in blue)

Format Reference List In-Text Citation
Online dictionary or thesaurus

Website name. (Year). Word to be defined. In Website name dictionary - or website name thesaurus. Retrieved Month Date, Year, from URL address

Merriam-Webster. (n.d.). Semantics. In Merriam-Webster dictionary. Retrieved January 4, 2020, from https://www.merriam-webster.com/dictionary/semantics

 

Note: use (n.d.). for no date

(Website name, Year).

(Merriam-Webster, n.d.).

Print dictionary or thesaurus

Organisation (Year). Word to be defined. In Organisation dictionary - or organisation thesaurus (edition other than first., page number).

Merriam-Webster. (2003). Litmus test. In Merriam-Webster’s collegiate dictionary (11th ed., p. 727).

(Publisher name, Year)

(Merriam-Webster, 2003)

 

Encyclopedia

Referencing an encyclopedia (examples are in blue)

Format Reference List In-Text Citation
Online encyclopedia

Author surname, Initial or Encyclopedia name. (Publication Year, Month Day). Title of article. In Encyclopedia Name. URL

The Editors of Encyclopedia Britannica. (2008, June 27). Placental mammals. In Encyclopedia Britannica
https://www.britannica.com/animal/placental-mammal

(Author surname or Encyclopedia Name, Year)

(Encyclopedia Britannica, 2008)

Print encyclopedia 

Author Surname, Initial or Organisation name. (Publication year). Entry title. In Encyclopedia title (volume name, page number). Publisher.

McGhee, K., & McKay, G. (2007). Insects. In Encyclopedia of animals (p.175). National Geographic Society.

(Author surname or Organisation, Year)

(McGhee & McKay, 2007)