APA (7th ed.) Citation

Ryckman, R. M. (2008). Theories of personality (9th ed.). Thomson/Wadsworth.

Chicago Style (17th ed.) Citation

Ryckman, Richard M. Theories of Personality. 9th ed. Australia: Thomson/Wadsworth, 2008.

MLA (9th ed.) Citation

Ryckman, Richard M. Theories of Personality. 9th ed. Thomson/Wadsworth, 2008.

Warning: These citations may not always be 100% accurate.