Burch, G. I., Pendell, E., & Pitkin, W. B. (1947). Human Breeding and Survival. Population Roads to Peace or War. Penguin Books.
Cita Chicago Style (17a ed.)Burch, Guy Irving, Elmer Pendell, y Walter B. Pitkin. Human Breeding and Survival. Population Roads to Peace or War. New York: Penguin Books, 1947.
Cita MLA (8a ed.)Burch, Guy Irving, et al. Human Breeding and Survival. Population Roads to Peace or War. Penguin Books, 1947.
Precaución: Estas citas no son 100% exactas.