APA (7th ed.) Citation

Curtis, R. O., & Marshall, D. D. (2009). Levels-of-growing-stock cooperative study in Douglas-fir: Report no. 18-Rocky Brook, 1963-2006. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.

Chicago Style (17th ed.) Citation

Curtis, Robert O., and David D. Marshall. Levels-of-growing-stock Cooperative Study in Douglas-fir: Report No. 18-Rocky Brook, 1963-2006. Portland, OR: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2009.

MLA (9th ed.) Citation

Curtis, Robert O., and David D. Marshall. Levels-of-growing-stock Cooperative Study in Douglas-fir: Report No. 18-Rocky Brook, 1963-2006. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2009.