Organization. (Year, Month Day). Title of the entry. In Title of reference work in italics. Publisher Name. Retrieved Month date, year, from URL
Example:
Merriam-Webster. (n.d.). Interjection. In Merriam-Webster.com dictionary. Retrieved March 3, 2020, from https://www.merriam-webster.com/dictionary/interjection
Note. When an online reference work is continuously updated, use "n.d." as the year of publication and include a retrieval date. For dictionaries and encyclopedias that are NOT updated continuously, omit the retrieval date.
Author. (Year, Month Day). Title of the entry. In Editor (Ed.), Title of reference work in italics (edition, page numbers). Publisher Name. URL.
Examples:
Encyclopedia Britannica, Inc. (2018). Top 10 pro & con arguments: Should prostitution be legal. In ProCon.org. https://prostitution.procon.org/questions/should-prostitution-be-legal/
Note. Entries at ProCon.org are not updated continuously. The entries show the date most recently updated; use that date in the citation.
Encyclopaedia Britannica. (2017). Abstract art. In Britannica concise encyclopedia. Britannica Digital Learning. https://search.credoreference.com/articles/Qm9va0FydGljbGU6NDM4MzE1?aid=106133
Note. The dictionary author is typically an organization (ex. Merriam-Webster). If the author and publisher are the same, omit the publisher.
Author. (Year, Month Day). Title of the entry. In Editor (Ed.), Title of reference work in italics (edition, page numbers). Publisher Name. URL.
Examples:
Huth, G. (2019). Plagiarism. In R. Kostelanetz (Author), A Dictionary of the Avant-Gardes. Routledge. https://search.credoreference.com/articles/Qm9va0FydGljbGU6NDgzNDA0Nw==?aid=106133
Thakchoe, S. (2016). The theory of two truths in Tibet. In E. N. Zalta (Ed.), The Stanford encyclopedia of philosophy. (Summer 2019 ed.). Stanford University. https://plato.stanford.edu/entries/twotruths-tibet/
Note. Click "Author and Citation Info" to get the current edition date for the Stanford Encyclopedia of Philosophy
Page name. (Year, Month Day). In Wikipedia. URL
Example archived entry:
Amina. (2020, February 7). In Wikipedia. https://en.wikipedia.org/w/index.php?title=Amina&oldid=941228648
Note. Cite the archived version of the page so that readers can retrieve the version you used. To access the archived version, select "View history" and select the time and date of the version you used. If a wiki does not have an archived version, then use the entry URL and the retrieval date.