See also the guidance on the APA's Style website at: https://apastyle.apa.org/style-grammar-guidelines/references/examples/dictionary-entry-references
Notes
When an online reference work is continuously updated, use “n.d.” as the year of publication and include a retrieval date.
Parenthetical citation (quotation)
(Keener & Pelfrey, 2017, p. 417)
Reference List
Keener, S., & Pelfrey, W. V. (2017). Cyberbullying. In E. K. Nadal (Ed.), The SAGE encyclopedia of psychology and gender (Vol. 1, pp.
417-418). Sage. http://dx.doi.org/10.4135/9781483384269
Format:
Author Surname [of Entry], Initial(s). (Year). Article title. In Editor(s) Initial(s). Surname(s) (Ed.(s.), Reference book title: Subtitle (ed.
(edition), Vol. (volume), pp. (page numbers). Publisher. DOI (if there is one)
Parenthetical citation
(Dictionary.com, n.d.)
Narrative citation
Dictionary.com (n.d.)
Reference List
Dictionary.com. (n.d.). Resilience. In Dictionary.com. Retrieved September 6, 2021, from
https://www.dictionary.com/browse/resilience
Format:
Group author. (n.d.). Title of entry. In title of dictionary/encylopedia. Retrieved month date, year, from URL
Parenthetical citation
(American Psychological Association, n.d.)
Narrative citation
American Psychological Association (n.d.)
Reference list
American Psychological Association. (n.d.). APA dictionary of psychology. Retrieved July 22, 2020, from https://dictionary.apa.org/
Format:
Group/corporate author. (n.d.). Title. Retrieved month date, year from URL