APA (7th ed.) Citation

National Geographic Society (U.S.). Special Publications Division. (1973). American mountain people. National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.). Special Publications Division. American Mountain People. Washington: National Geographic Society, 1973.

MLA (9th ed.) Citation

National Geographic Society (U.S.). Special Publications Division. American Mountain People. National Geographic Society, 1973.

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