APA (7th ed.) Citation

Lefton, L. A. (1997). Psychology (6th ed.). Kentucky State University.

Chicago Style (17th ed.) Citation

Lefton, Lester A. Psychology. 6th ed. Kentucky: Kentucky State University, 1997.

MLA (9th ed.) Citation

Lefton, Lester A. Psychology. 6th ed. Kentucky State University, 1997.