APA (7th ed.) Citation

United States. Forest Service. (1972). Sierra National Forest, California. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Forest Service. Sierra National Forest, California. [Washington]: [publisher not identified], 1972.

MLA (9th ed.) Citation

United States. Forest Service. Sierra National Forest, California. [publisher not identified], 1972.

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