APA (7th ed.) Citation

Sturdevant, N. J., & Kegley, S. (2006). Mapping mountain pine beetle and white pine blister rust in white bark pine on the Helena National Forest. U.S. Dept. of Agriculture, Forest Service, Northern Region, Forest Health Protection.

Chicago Style (17th ed.) Citation

Sturdevant, Nancy J., and Sandy Kegley. Mapping Mountain Pine Beetle and White Pine Blister Rust in White Bark Pine on the Helena National Forest. Missoula, MT: U.S. Dept. of Agriculture, Forest Service, Northern Region, Forest Health Protection, 2006.

MLA (9th ed.) Citation

Sturdevant, Nancy J., and Sandy Kegley. Mapping Mountain Pine Beetle and White Pine Blister Rust in White Bark Pine on the Helena National Forest. U.S. Dept. of Agriculture, Forest Service, Northern Region, Forest Health Protection, 2006.