APA (7th ed.) Citation

Grosvenor, G. H., & La Gorce, J. O. 1. . . .. (1957). The National Geographic Society and its magazine. Geography in human terms. National Geographic Society.

Chicago Style (17th ed.) Citation

Grosvenor, Gilbert Hovey, and John Oliver 1880- La Gorce. The National Geographic Society and Its Magazine. Geography in Human Terms. Washington: National Geographic Society, 1957.

MLA (9th ed.) Citation

Grosvenor, Gilbert Hovey, and John Oliver 1880- La Gorce. The National Geographic Society and Its Magazine. Geography in Human Terms. National Geographic Society, 1957.