APA (7th ed.) Citation

Lion Television Ltd, National Geographic Television & Film, National Geographic Society (U.S.), Harrison, C., Diamond, J. M., Coyote, P., & Lambert, T. (2005). Guns, germs, and steel. National Geographic.

Chicago Style (17th ed.) Citation

Lion Television Ltd, National Geographic Television & Film, National Geographic Society (U.S.), Cassian Harrison, Jared M. Diamond, Peter Coyote, and Tim Lambert. Guns, Germs, and Steel. [United States]: National Geographic, 2005.

MLA (9th ed.) Citation

Lion Television Ltd, et al. Guns, Germs, and Steel. National Geographic, 2005.