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APA 7th Edition - University of Lincoln

APA Website guidance

Print encylopedia with individual author


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. 



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) 

Entry in online dictionary/encyclopedia (with group authors - continuously updated)

Parenthetical citation

(, n.d.) 

Narrative citation (n.d.)


Reference List (n.d.). Resilience. In Retrieved September 6, 2021, from



Group author. (n.d.). Title of entry. In title of dictionary/encylopedia. Retrieved month date, year, from URL 

Entire dictionary (online with continuous updates)

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 



Group/corporate author. (n.d.). Title. Retrieved month date, year from URL