APA (7th ed.) Citation

Curtis, R. O., & Marshall, D. D. (2005). Permanent-plot procedures for silvicultural and yield research ([Rev. ed.].). U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.

Chicago Style (17th ed.) Citation

Curtis, Robert O., and David D. Marshall. Permanent-plot Procedures for Silvicultural and Yield Research. [Rev. ed.]. Portland, OR: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2005.

MLA (9th ed.) Citation

Curtis, Robert O., and David D. Marshall. Permanent-plot Procedures for Silvicultural and Yield Research. [Rev. ed.]. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2005.