APA (7th ed.) Citation

Curtis, R. O. (1967). A method of estimation of gross yield of Douglas-Fir. Soc. of American Foresters.

Chicago Style (17th ed.) Citation

Curtis, Robert O. A Method of Estimation of Gross Yield of Douglas-Fir. Washington, Wash: Soc. of American Foresters, 1967.

MLA (9th ed.) Citation

Curtis, Robert O. A Method of Estimation of Gross Yield of Douglas-Fir. Soc. of American Foresters, 1967.