Cita APA (7th ed.)

Upfield, A. W. (1986). Man of two tribes. Collier Books, Macmillan Publishing Company.

Cita Chicago (17th ed.)

Upfield, Arthur W. Man of Two Tribes. New York: Collier Books, Macmillan Publishing Company, 1986.

Cita MLA (9th ed.)

Upfield, Arthur W. Man of Two Tribes. Collier Books, Macmillan Publishing Company, 1986.