APA (7th ed.) Citation

United States. Forest Service. California's recreation grounds; national forests. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Forest Service. California's Recreation Grounds; National Forests. [Place of publication not identified]: [publisher not identified].

MLA (9th ed.) Citation

United States. Forest Service. California's Recreation Grounds; National Forests. [publisher not identified].

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