APA (7th ed.) Citation

United States. Forest Service. Pacific Northwest Region. (1990). North Crater nature trail. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, Umpqua National Forest.

Chicago Style (17th ed.) Citation

United States. Forest Service. Pacific Northwest Region. North Crater Nature Trail. [Portland, Or.?]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, Umpqua National Forest, 1990.

MLA (9th ed.) Citation

United States. Forest Service. Pacific Northwest Region. North Crater Nature Trail. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, Umpqua National Forest, 1990.