Let's be normal! :
The psychologist comes to his senses.

APA Citation

Kunkel, F., Jensen, E. (1931). Let's be normal!: The psychologist comes to his senses. New York: I. Washburn.

MLA Citation

Kunkel, Fritz, 1889-1956, and Eleanore Jensen. Let's Be Normal!: The Psychologist Comes to His Senses. New York: I. Washburn, 1931.

Warning: These citations may not always be complete (especially for serials).