APA (7th ed.) Citation

National Geographic Society (U.S.). (2000). National geographic atlas of natural America. The Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.). National Geographic Atlas of Natural America. Washington, D.C.: The Society, 2000.

MLA (9th ed.) Citation

National Geographic Society (U.S.). National Geographic Atlas of Natural America. The Society, 2000.

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