APA (7th ed.) Citation

Hagle, S. K., Filip, G. M., & United States. Forest Service. Pacific Northwest Region. (2010). Schweinitzii root and butt rot of western conifers. USDA Forest Service, Pacific Northwest Region.

Chicago Style (17th ed.) Citation

Hagle, Susan K., Gregory M. Filip, and United States. Forest Service. Pacific Northwest Region. Schweinitzii Root and Butt Rot of Western Conifers. [Portland, Ore.: USDA Forest Service, Pacific Northwest Region, 2010.

MLA (8th ed.) Citation

Hagle, Susan K., et al. Schweinitzii Root and Butt Rot of Western Conifers. USDA Forest Service, Pacific Northwest Region, 2010.