APA (7th ed.) Citation

Ryckman, R. M. (2000). Theories of personality (7th ed.). Wadsworth Pub. Co.

Chicago Style (17th ed.) Citation

Ryckman, Richard M. Theories of Personality. 7th ed. Australia ; Belmont, CA: Wadsworth Pub. Co, 2000.

MLA (9th ed.) Citation

Ryckman, Richard M. Theories of Personality. 7th ed. Wadsworth Pub. Co, 2000.

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