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