APA (7th ed.) Citation

National Geographic Society (U.S.). (2018). National geographic. National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.). National Geographic. Washington, D.C: National Geographic Society, 2018.

MLA (9th ed.) Citation

National Geographic Society (U.S.). National Geographic. National Geographic Society, 2018.

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