APA način citiranja (7. izdanje)
Ryckman, R. M. (1989). Theories of personality (3rd ed.). Brooks/Cole Publishing Company.
Čikaški stil citiranja (17. izdanje)
Ryckman, Richard M. Theories of Personality. 3rd ed. California: Brooks/Cole Publishing Company, 1989.
MLA način citiranja (9. izdanje)
Ryckman, Richard M. Theories of Personality. 3rd ed. Brooks/Cole Publishing Company, 1989.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.