APA (7th ed.) Citation

National Geographic Society (U.S.). (1975). The new America's wonderlands: Our national parks (3rd ed.). National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.). The New America's Wonderlands: Our National Parks. 3rd ed. Washington, D.C.: National Geographic Society, 1975.

MLA (8th ed.) Citation

National Geographic Society (U.S.). The New America's Wonderlands: Our National Parks. 3rd ed. National Geographic Society, 1975.

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