APA (7th ed.) Citation

Wittwer, D., Shephard, M., & United States. Forest Service. Alaska Region. Division of State and Private Forestry. (2003). Forest health conditions in Alaska, 2003. USDA Forest Service, Alaska Region.

Chicago Style (17th ed.) Citation

Wittwer, Dustin, Michael Shephard, and United States. Forest Service. Alaska Region. Division of State and Private Forestry. Forest Health Conditions in Alaska, 2003. Anchorage, Alaska: USDA Forest Service, Alaska Region, 2003.

MLA (8th ed.) Citation

Wittwer, Dustin, et al. Forest Health Conditions in Alaska, 2003. USDA Forest Service, Alaska Region, 2003.