The theories of instinct : a study in the history of psychology

MLA

Wilm, Emil Carl. The Theories of Instinct : a Study In the History of Psychology. New Haven: Yale university press; [etc., etc.], 1925.

APA

Wilm, E. Carl. (1925). The theories of instinct : a study in the history of psychology. New Haven: Yale university press; [etc., etc.].

Chicago

Wilm, Emil Carl, The Theories of Instinct: A Study In the History of Psychology. New Haven: Yale university press; [etc., etc.], 1925.