APA (7th ed.) Citation

United States. Forest Service. (1988). Arapaho National Forest (portion), Colorado, 1979 (Interim ed. 1988.). The Service ; Supervisors Hdqrs.

Chicago Style (17th ed.) Citation

United States. Forest Service. Arapaho National Forest (portion), Colorado, 1979. Interim ed. 1988. [Denver, Colo.?] : Fort Collins, Colo.: The Service ; Supervisors Hdqrs, 1988.

MLA (9th ed.) Citation

United States. Forest Service. Arapaho National Forest (portion), Colorado, 1979. Interim ed. 1988. The Service ; Supervisors Hdqrs, 1988.