Citing a Journal Article:
Roe, R. A. (2002). What makes a competent psychologist?. European Psychologist, 7(3), 192.
Last Name, F. I. (Year). Title in sentence case. Journal Title (Volume)Issue, page numbers. DOI or retrieval URL.
Citing a Book:
Last Name, F. I. (Year). Title (ed.) Publisher location: Publisher.
Plath, S. (1971). The Bell Jar. New York: Harper & Row.
Publication Manual of the American Psychological Association by 
APA Style Simplified by