Curtis, R. O., & Pacific Northwest Research Station. (2007). Silvicultural research and the evolution of forest practices in the Douglas-fir region. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.
Chicago Style (17th ed.) CitationCurtis, Robert O., and Pacific Northwest Research Station. Silvicultural Research and the Evolution of Forest Practices in the Douglas-fir Region. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2007.
MLA (8th ed.) CitationCurtis, Robert O., and Pacific Northwest Research Station. Silvicultural Research and the Evolution of Forest Practices in the Douglas-fir Region. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2007.
Warning: These citations may not always be 100% accurate.