APA (7th ed.) Citation

Tinnin, R., & Knutson, D. M. (1985). How to identify brooms in Douglas-fir caused by dwarf mistletoe. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station.

Chicago Style (17th ed.) Citation

Tinnin, Robert, and Donald M. Knutson. How to Identify Brooms in Douglas-fir Caused by Dwarf Mistletoe. [Portland, Or.?]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985.

MLA (9th ed.) Citation

Tinnin, Robert, and Donald M. Knutson. How to Identify Brooms in Douglas-fir Caused by Dwarf Mistletoe. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985.