APA (7th ed.) Citation

United States. Forest Service. (1989). Sawtooth National Forest travel map. [The Service].

Chicago Style (17th ed.) Citation

United States. Forest Service. Sawtooth National Forest Travel Map. [Ogden, Utah?]: [The Service], 1989.

MLA (9th ed.) Citation

United States. Forest Service. Sawtooth National Forest Travel Map. [The Service], 1989.

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