Curtis, R. O., Marshall, D. D., & Pacific Northwest Research Station. (2002). Levels-of-growing-stock cooperative study in Douglas-fir: Report no. 14-Stampede Creek, 30-year results. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.
Chicago Style (17th ed.) CitationCurtis, Robert O., David D. Marshall, and Pacific Northwest Research Station. Levels-of-growing-stock Cooperative Study in Douglas-fir: Report No. 14-Stampede Creek, 30-year Results. Portland, OR: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2002.
MLA (8th ed.) CitationCurtis, Robert O., et al. Levels-of-growing-stock Cooperative Study in Douglas-fir: Report No. 14-Stampede Creek, 30-year Results. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2002.