APA (7th ed.) Citation

United States. Forest Service. (1932). Crook National Forest, Ariz. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Forest Service. Crook National Forest, Ariz. Washington: U.S. GPO, 1932.

MLA (9th ed.) Citation

United States. Forest Service. Crook National Forest, Ariz. U.S. GPO, 1932.

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