APA (7th ed.) Citation

United States. Forest Service. (1987). Colville National Forest. The Service.

Chicago Style (17th ed.) Citation

United States. Forest Service. Colville National Forest. [Portland, Or.?]: The Service, 1987.

MLA (9th ed.) Citation

United States. Forest Service. Colville National Forest. The Service, 1987.

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