Cita APA (7th ed.)

Margen, G. C. (1950). The voice of the devil. Fleming H. Revall.

Cita Chicago (17th ed.)

Margen, G. Campbell. The Voice of the Devil. New York: Fleming H. Revall, 1950.

Cita MLA (9th ed.)

Margen, G. Campbell. The Voice of the Devil. Fleming H. Revall, 1950.