APA Edition Citation

Willerman, L. (1979). The psychology of individual and group differences. W.H. Freeman.

Chicago Edition Citation

Willerman, Lee. The Psychology of Individual and Group Differences. San Francisco: W.H. Freeman, 1979.

MLA Edition Citation

Willerman, Lee. The Psychology of Individual and Group Differences. W.H. Freeman, 1979.

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