APA (7th ed.) Citation

United States. Forest Service. (1983). San Isabel National Forest, Colorado, 1983: Travel map. The Service.

Chicago Style (17th ed.) Citation

United States. Forest Service. San Isabel National Forest, Colorado, 1983: Travel Map. Pueblo, Colo.: The Service, 1983.

MLA (9th ed.) Citation

United States. Forest Service. San Isabel National Forest, Colorado, 1983: Travel Map. The Service, 1983.

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