Editor, A. A. (Ed.). (Year of publication). Title of work (Edition). Publisher.
Author, A. A. (Year of publication). Title of work (Edition). Publisher. DOI or URL
VandenBos, G. R. (Ed.). (2007). APA dictionary of psychology. American Psychological Association.
Author, A. A. (Year of publication). Title of entry. In A. Editor & B. Editor (Eds.), Title of book (pp. xx-xx). Publisher.
Note: References for online dictionaries that are updated over time and not archived include a Retrieved date.
Author, A. A. (Year of publication). Title of entry. In A. Editor & B. Editor (Eds.), Title of book (pp. xx-xx). Publisher. DOI or URL
Author, A. A. (n.d.). Title of entry. In A. Editor & B. Editor (Eds.), Title of book (pp. xx-xx). Retrieved Month Day, Year, from DOI or URL
Arcus, D. (2001). Attention deficit / hyperactivity disorder (ADHD). In B. Strickland (Ed.), The Gale encyclopedia of psychology. Oxford University Press. http://www.oxfordreference.com
Salvation. (1984). In The New encyclopaedia Britannica. Encyclopaedia Britannica.
American Psychological Association. (n.d.). Positive transference. In APA dictionary of psychology. Retrieved August 31, 2019, from https://dictionary.apa.org/positive-transference
If there is no author - substitute the title in the position of the author.
Title of work. (Year of publication). Publisher. DOI or URL
Macroeconomics, prices and quantities: Essays in memory of Arthur M. Okun. (1983). Blackwell.
If the date is not known use n.d. in place of the year. If you have an approximate date use the abbreviation ca. (circa) and the approximate year.
Author, A. A. (ca. year). Title of work. Publisher. DOI or URL
Author, A. A. (n.d.). Title of work. Publisher. DOI or URL
Smythe, V. (ca. 2007). Ant colonies: How they communicate. Emu.
Browne, J. D. (n.d.). Forensic science as a career. Tower.
Secondary source refers to information first reported in another source, the primary source. If it is possible, find the original source and read it, citing the original source. If this is not possible then use the procedure below.
Provide a reference to the secondary source (the source you read) and, in-text, identify the primary source then write "as cited in" the secondary source that you used. Include the original year if you know it.
(Author 1, Year of original, as cited in Author 2, Year)
Author 1, Year of original (as cited in Author 2, Year)
Lilly (as cited in Maxwell, 1999) stated that ...
"..." (Schwartz, 2006, as cited in Burton et al., 2009, p.63)
Maxwell, F. (1999). Phonology. Brooks Cole.
Burton, L., Westen, D., & Kowalski, R. (2009). Psychology. Wiley.
Dictionary / Encyclopedia, whole - Book, Edited Book or Electronic Book
Dictionary / Encyclopedia entry - Book Section, Electronic Book Section, Dictionary or Encyclopedia