Cita APA (7a ed.)

(1999). National Geographic Atlas of the World (7th ed.). National geographic society.

Cita Chicago Style (17a ed.)

National Geographic Atlas of the World. 7th ed. Washington D. C.: National geographic society, 1999.

Cita MLA (9a ed.)

National Geographic Atlas of the World. 7th ed. National geographic society, 1999.