Ross, D. W., Gibson, K. E., & Daterman, G. E. (2006). Using MCH to protect trees and stands from Douglas-fir beetle infestation (Revised March 2006.). United States Department of Agriculture, Forest Service, Forest Health Technology Enterprise Team.
Chicago Style (17th ed.) CitationRoss, Darrell W., Kenneth E. Gibson, and Gary E. Daterman. Using MCH to Protect Trees and Stands from Douglas-fir Beetle Infestation. Revised March 2006. Morgantown, West Virginia: United States Department of Agriculture, Forest Service, Forest Health Technology Enterprise Team, 2006.
MLA (9th ed.) CitationRoss, Darrell W., et al. Using MCH to Protect Trees and Stands from Douglas-fir Beetle Infestation. Revised March 2006. United States Department of Agriculture, Forest Service, Forest Health Technology Enterprise Team, 2006.