APA

Karpf F. B., . (1932). American social psychology: its origins, development, and European background. New York: McGraw-Hill.

Chicago

Karpf Fay Berger, . 1932. American social psychology: its origins, development, and European background. New York: McGraw-Hill.

Harvard

Karpf F. B., . (1932). American social psychology: its origins, development, and European background. New York: McGraw-Hill.

MLA

Karpf Fay Berger, . American social psychology: its origins, development, and European background. New York: McGraw-Hill. 1932.