Ryckman, R. M. (2000). Theories of personality (7th ed.). Wadsworth/Thomson Learning.
Chicago Style (17th ed.) CitationRyckman, Richard M. Theories of Personality. 7th ed. Belmont, Calif.: Wadsworth/Thomson Learning, 2000.
MLA (9th ed.) CitationRyckman, Richard M. Theories of Personality. 7th ed. Wadsworth/Thomson Learning, 2000.
Warning: These citations may not always be 100% accurate.