APA (7th ed.) Citation

United States. Forest Service. Pacific Northwest Region. (1990). Columbia River Gorge National Scenic Area: Draft management plan for the special management areas. USDA Forest Service, Pacific Northwest Region.

Chicago Style (17th ed.) Citation

United States. Forest Service. Pacific Northwest Region. Columbia River Gorge National Scenic Area: Draft Management Plan for the Special Management Areas. [Portland, Or.?]: USDA Forest Service, Pacific Northwest Region, 1990.

MLA (9th ed.) Citation

United States. Forest Service. Pacific Northwest Region. Columbia River Gorge National Scenic Area: Draft Management Plan for the Special Management Areas. USDA Forest Service, Pacific Northwest Region, 1990.