APA引文

Kirk, E. (2011). Human footprint: Everything you will eat, use, wear, buy, and throw out in your lifetime. National Geographic.

Chicago Style (17th ed.) Citation

Kirk, Ellen. Human Footprint: Everything You Will Eat, Use, Wear, Buy, and Throw Out in Your Lifetime. Washington, D.C.: National Geographic, 2011.

MLA引文

Kirk, Ellen. Human Footprint: Everything You Will Eat, Use, Wear, Buy, and Throw Out in Your Lifetime. National Geographic, 2011.

警告：這些引文格式不一定是100％准確.