Citazione APA

Diamond, J. (1997). Guns, germs, and steel: The fates of human societies. New York: W. W. Norton & Company.

Stile di citazione Chicago

Diamond, Jared. Guns, Germs, and Steel: The Fates of Human Societies. New York: W. W. Norton & Company, 1997.

Citazione MLA

Diamond, Jared. Guns, Germs, and Steel: The Fates of Human Societies. New York: W. W. Norton & Company, 1997.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.