Cita APA (7th ed.)

Diamond, J. (1999). Guns, germs, and steel: The fates of human societies. W. W. Norton.

Cita Chicago (17th ed.)

Diamond, Jared. Guns, Germs, and Steel: The Fates of Human Societies. New York: W. W. Norton, 1999.

Cita MLA (9th ed.)

Diamond, Jared. Guns, Germs, and Steel: The Fates of Human Societies. W. W. Norton, 1999.