एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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