Cita APA (7th ed.)

Ehrlich, P. R. (1968). The population bomb. Ballantine Books.

Cita Chicago (17th ed.)

Ehrlich, Paul R. The Population Bomb. New York: Ballantine Books, 1968.

Cita MLA (9th ed.)

Ehrlich, Paul R. The Population Bomb. Ballantine Books, 1968.