APA (7th ed.) Citation

Ryckman, R. M., & Noel, M. (2013). Theories of personality. Wadsworth.

Chicago Style (17th ed.) Citation

Ryckman, Richard M., and Mary Noel. Theories of Personality. Wadsworth, 2013.

MLA (8th ed.) Citation

Ryckman, Richard M., and Mary Noel. Theories of Personality. Wadsworth, 2013.

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