National Geographic Television & Film, Lambert, T., Harrison, C., & Diamond, J. M. (2005). Guns, germs, and steel. National Geographic.
Цитирование в стиле Чикаго (17-е изд.)National Geographic Television & Film, Tim Lambert, Cassian Harrison, и Jared M. Diamond. Guns, Germs, and Steel. [United States]: National Geographic, 2005.
Цитирование MLA (8-е изд.)National Geographic Television & Film, et al. Guns, Germs, and Steel. National Geographic, 2005.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.