APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (8. Ausg.)

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