APA (7th ed.) Citation

Pacific Northwest Research Station (Portland, Or.), & Sheehan, K. A. (1989). The Western Spruce budworm model: Structure and content. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.

Chicago Style (17th ed.) Citation

Pacific Northwest Research Station (Portland, Or.), and Katharine A. Sheehan. The Western Spruce Budworm Model: Structure and Content. Portland, Or.: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1989.

MLA (9th ed.) Citation

Pacific Northwest Research Station (Portland, Or.), and Katharine A. Sheehan. The Western Spruce Budworm Model: Structure and Content. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1989.