Carolin, V. M. (1980). Larval densities and trends of insect species associated with spruce budworms in buds and shoots in Oregon and Washington. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station.
Chicago Style (17th ed.) CitationCarolin, V. M. Larval Densities and Trends of Insect Species Associated with Spruce Budworms in Buds and Shoots in Oregon and Washington. [Portland, Or.]: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1980.
MLA (9th ed.) CitationCarolin, V. M. Larval Densities and Trends of Insect Species Associated with Spruce Budworms in Buds and Shoots in Oregon and Washington. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1980.