See also the guidance on the APA's Style website at: https://apastyle.apa.org/style-grammar-guidelines/references/examples/dictionary-entry-references
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)
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
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)
Dictionary.com. (n.d.). Resilience. In Dictionary.com. Retrieved September 6, 2021, from
Group author. (n.d.). Title of entry. In title of dictionary/encylopedia. Retrieved month date, year, from URL
(American Psychological Association, n.d.)
American Psychological Association (n.d.)
American Psychological Association. (n.d.). APA dictionary of psychology. Retrieved July 22, 2020, from https://dictionary.apa.org/
Group/corporate author. (n.d.). Title. Retrieved month date, year from URL