APA (7th ed.) Citation

Diamond, J. (2005). Guns, germs, and steel (First edition.). Vintage Books.

Chicago Style (17th ed.) Citation

Diamond, Jared. Guns, Germs, and Steel. First edition. London: Vintage Books, 2005.

MLA (9th ed.) Citation

Diamond, Jared. Guns, Germs, and Steel. First edition. Vintage Books, 2005.