Diamond, J. (1999). Guns, germs, and steel: The fates of human societies. W. W. Norton.
Citazione stile Chigago Style (17a edizione)Diamond, Jared. Guns, Germs, and Steel: The Fates of Human Societies. New York: W. W. Norton, 1999.
Citatione MLA (9a ed.)Diamond, Jared. Guns, Germs, and Steel: The Fates of Human Societies. W. W. Norton, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.