APA引文

National Geographic Society (U.S.), Hyslop, S. G., & Daniels, P. (2011). Great empires: An illustrated atlas. National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.), Stephen G. Hyslop, and Patricia Daniels. Great Empires: An Illustrated Atlas. Washington, D.C.: National Geographic Society, 2011.

MLA引文

National Geographic Society (U.S.), et al. Great Empires: An Illustrated Atlas. National Geographic Society, 2011.

警告：這些引文格式不一定是100％准確.