APA (7th ed.) Citation

United States. Forest Service. Alaska Region. (1999). Common trees of Alaska. U.S. Dept. of Agriculture, Forest Service, Alaska Region.

Chicago Style (17th ed.) Citation

United States. Forest Service. Alaska Region. Common Trees of Alaska. [Washington, D.C.]: U.S. Dept. of Agriculture, Forest Service, Alaska Region, 1999.

MLA (8th ed.) Citation

United States. Forest Service. Alaska Region. Common Trees of Alaska. U.S. Dept. of Agriculture, Forest Service, Alaska Region, 1999.