APA (7th ed.) Citation

Curtis, R. O. (2015). Development of top heights and corresponding diameters in high-elevation noble fir plantations. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station.

Chicago Style (17th ed.) Citation

Curtis, Robert O. Development of Top Heights and Corresponding Diameters in High-elevation Noble Fir Plantations. Portland, OR: United States Department of Agriculture, Forest Service, Pacific Northwest Research Station, 2015.

MLA (9th ed.) Citation

Curtis, Robert O. Development of Top Heights and Corresponding Diameters in High-elevation Noble Fir Plantations. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station, 2015.