APA (7th ed.) Citation

Goheen, E. M., Willhite, E. A., & Region, U. S. F. S. P. N. (2006). Field guide to the common diseases and insect pests of Oregon and Washington conifers. USDA Forest Service, Pacific Northwest Region ; For sale by the Supt. of Docs., U.S. G.P.O..

Chicago Style (17th ed.) Citation

Goheen, Ellen Michaels, Elizabeth A. Willhite, and United States. Forest Service. Pacific Northwest Region. Field Guide to the Common Diseases and Insect Pests of Oregon and Washington Conifers. USDA Forest Service, Pacific Northwest Region ; For sale by the Supt. of Docs., U.S. G.P.O., 2006.

MLA (8th ed.) Citation

Goheen, Ellen Michaels, et al. Field Guide to the Common Diseases and Insect Pests of Oregon and Washington Conifers. USDA Forest Service, Pacific Northwest Region ; For sale by the Supt. of Docs., U.S. G.P.O., 2006.