APA (7th ed.) Citation

Brower, K. (1990). Yosemite: An American treasure. National Geographic Society.

Chicago Style (17th ed.) Citation

Brower, Kenneth. Yosemite: An American Treasure. Washington, D.C: National Geographic Society, 1990.

MLA (9th ed.) Citation

Brower, Kenneth. Yosemite: An American Treasure. National Geographic Society, 1990.