Cita APA (7th ed.)

Homans, G. C. (1950). The human group. Harcourt, Brace & World.

Cita Chicago (17th ed.)

Homans, George Caspar. The Human Group. New York: Harcourt, Brace & World, 1950.

Cita MLA (9th ed.)

Homans, George Caspar. The Human Group. Harcourt, Brace & World, 1950.