Cita APA

National Geographic. (2007). Atlas of the world (8a. ed.). National Geographic Society.

Citación estilo Chicago

National Geographic. Atlas of the World. 8a. ed. Washington, D.C: National Geographic Society, 2007.

Cita MLA

National Geographic. Atlas of the World. 8a. ed. National Geographic Society, 2007.

Warning: These citations may not always be 100% accurate.