Willerman, L. (1979). The psychology of individual and group differences. W. H. Freeman.
Chicago Style (17th ed.) CitationWillerman, Lee. The Psychology of Individual and Group Differences. San Francisco: W. H. Freeman, 1979.
MLA (8th ed.) CitationWillerman, Lee. The Psychology of Individual and Group Differences. W. H. Freeman, 1979.
Warning: These citations may not always be 100% accurate.