United States. State and Private Forestry. Northeastern Area. (1978). Efficacy of Orthene forest spray, Dylox 4, and Sevin 4 oil in controlling spruce budworm: A pilot control project, Maine, 1976. Dept. of Agriculture, Forest Service, Northeastern Area, State and Private Forestry.
Chicago Style (17th ed.) CitationUnited States. State and Private Forestry. Northeastern Area. Efficacy of Orthene Forest Spray, Dylox 4, and Sevin 4 Oil in Controlling Spruce Budworm: A Pilot Control Project, Maine, 1976. Broomall, Pa.: Dept. of Agriculture, Forest Service, Northeastern Area, State and Private Forestry, 1978.
MLA (9th ed.) CitationUnited States. State and Private Forestry. Northeastern Area. Efficacy of Orthene Forest Spray, Dylox 4, and Sevin 4 Oil in Controlling Spruce Budworm: A Pilot Control Project, Maine, 1976. Dept. of Agriculture, Forest Service, Northeastern Area, State and Private Forestry, 1978.