United States. Department of Agriculture & Combined Forest Pest Research and Development Program (U.S.). (1982). Douglas-fir tussock moth handbook: Techniques for monitoring the effects of insecticides on forest fauna. U.S. Dept. of Agriculture.
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture and Combined Forest Pest Research and Development Program (U.S.). Douglas-fir Tussock Moth Handbook: Techniques for Monitoring the Effects of Insecticides on Forest Fauna. [Washington, D.C.?]: U.S. Dept. of Agriculture, 1982.
MLA (9th ed.) CitationUnited States. Department of Agriculture and Combined Forest Pest Research and Development Program (U.S.). Douglas-fir Tussock Moth Handbook: Techniques for Monitoring the Effects of Insecticides on Forest Fauna. U.S. Dept. of Agriculture, 1982.