APA (7th ed.) Citation

United States. Forest Service. Pacific Southwest Region. (2018). National rivers & trails of California. United States Department of Agriculture, Forest Service.

Chicago Style (17th ed.) Citation

United States. Forest Service. Pacific Southwest Region. National Rivers & Trails of California. [Vallejon, Calif.]: United States Department of Agriculture, Forest Service, 2018.

MLA (9th ed.) Citation

United States. Forest Service. Pacific Southwest Region. National Rivers & Trails of California. United States Department of Agriculture, Forest Service, 2018.

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