APA (7th ed.) Citation

Ryckman, R. M. (2004). Theories of personality (8th ed.). Thomson/Wadsworth.

Chicago Style (17th ed.) Citation

Ryckman, Richard M. Theories of Personality. 8th ed. Belmont, CA: Thomson/Wadsworth, 2004.

MLA (9th ed.) Citation

Ryckman, Richard M. Theories of Personality. 8th ed. Thomson/Wadsworth, 2004.

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