Cita APA (7a ed.)

Gregor, A. S. (1973). The Adventure of Man. Washington Square Press.

Cita Chicago Style (17a ed.)

Gregor, Arthur S. The Adventure of Man. New York: Washington Square Press, 1973.

Cita MLA (9a ed.)

Gregor, Arthur S. The Adventure of Man. Washington Square Press, 1973.