APA (7th ed.) Citation

National Geographic Society (U.S.) Special Publications Division, Bahmanbegui, M., Cole, D. P., De Munck, A., Dyson-Hudson, N., Englebert, V., . . . Allen, W. L. (1971). Nomads of the world. National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.) Special Publications Division, et al. Nomads of the World. Washington, D.C: National Geographic Society, 1971.

MLA (9th ed.) Citation

National Geographic Society (U.S.) Special Publications Division, et al. Nomads of the World. National Geographic Society, 1971.

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