Kirk, E. (2011). Human footprint: Everything you will eat, use, wear, buy, and throw out in your lifetime. National Geographic.
Цитирование в стиле Чикаго (17-е изд.)Kirk, Ellen. Human Footprint: Everything You Will Eat, Use, Wear, Buy, and Throw Out in Your Lifetime. Washington, D.C.: National Geographic, 2011.
Цитирование MLA (8-е изд.)Kirk, Ellen. Human Footprint: Everything You Will Eat, Use, Wear, Buy, and Throw Out in Your Lifetime. National Geographic, 2011.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.