Skip to Main Content

APA Style Guide: Reference Sources - Dictionary, Thesaurus, encyclopedia

This guide explains how to use the APA Style. It includes a short tutorial.

Reference sources - dictionary, thesaurus, ecyclopedia

Reference: Entry Editor, Author or Organisation Author name, Initials. (Year). Title of Entry. In Title of reference source. Publisher. URL/SOI

Note: include the words "Retrieved from before the url along with a date of retrieval, if the contents of the source are likely to change or be updated.

Example: Coleman A. M. (Ed.). (2015). Confirmation bias. In A dictionary of psychology (4th ed). Oxford University Press.


  • Editor/Author/Organisation last name (Year)
  • (Editor/Author/Organisation last name , Year)


  • Coleman distinguishes confirmation bias as helping to maintain prejudice and stereotypes (2015)…
  • Confirmation bias can be described as maintaining prejudice and stereotypes (Coleman, 2015)…


Still unsure what in-text citation and referencing mean? Check here

Still unsure why you need to reference all this information? Check here


Creative Commons license