APA (7th ed.) Citation

United States. Forest Service. Pacific Northwest Region. (1970). Forest trails of the Columbia Gorge, Mt. Hood National Forest, Oregon, 1970. Mt. Hood National Forest, Department of Agriculture, Forest Service, Pacific Northwest Region.

Chicago Style (17th ed.) Citation

United States. Forest Service. Pacific Northwest Region. Forest Trails of the Columbia Gorge, Mt. Hood National Forest, Oregon, 1970. [Portland, Or.]: Mt. Hood National Forest, Department of Agriculture, Forest Service, Pacific Northwest Region, 1970.

MLA (9th ed.) Citation

United States. Forest Service. Pacific Northwest Region. Forest Trails of the Columbia Gorge, Mt. Hood National Forest, Oregon, 1970. Mt. Hood National Forest, Department of Agriculture, Forest Service, Pacific Northwest Region, 1970.