APA (7th ed.) Citation

Ryckman, R. M. (1985). Theories of personality (3rd ed.). Brooks/Cole Pub. Co..

Chicago Style (17th ed.) Citation

Ryckman, Richard M. Theories of Personality. 3rd ed. Monterey, Calif.: Brooks/Cole Pub. Co., 1985.

MLA (8th ed.) Citation

Ryckman, Richard M. Theories of Personality. 3rd ed. Brooks/Cole Pub. Co., 1985.

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