Cita APA (7th ed.)

Burch, G. I., Pendell, E., & Pitkin, W. B. (1947). Human Breeding and Survival. Population Roads to Peace or War. Penguin Books.

Cita Chicago (17th ed.)

Burch, Guy Irving, Elmer Pendell, i Walter B. Pitkin. Human Breeding and Survival. Population Roads to Peace or War. New York: Penguin Books, 1947.

Cita MLA (8th ed.)

Burch, Guy Irving, et al. Human Breeding and Survival. Population Roads to Peace or War. Penguin Books, 1947.