APA (7th ed.) Citation

United States. Forest Service. (1942). Sierra National Forest, Calif. [s.n.].

Chicago Style (17th ed.) Citation

United States. Forest Service. Sierra National Forest, Calif. [Washington]: [s.n.], 1942.

MLA (9th ed.) Citation

United States. Forest Service. Sierra National Forest, Calif. [s.n.], 1942.

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