Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.