APA (7th ed.) Citation

United States. Forest Service. Pacific Northwest Region. (1983). Swiss needle cast. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region.

Chicago Style (17th ed.) Citation

United States. Forest Service. Pacific Northwest Region. Swiss Needle Cast. [Portland, Or.?]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1983.

MLA (9th ed.) Citation

United States. Forest Service. Pacific Northwest Region. Swiss Needle Cast. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1983.