United States. Forest Service. America's forests: ... health update. U.S. Dept. of Agriculture, Forest Service.
Chicago Style (17th ed.) CitationUnited States. Forest Service. America's Forests: ... Health Update. [Washington, DC]: U.S. Dept. of Agriculture, Forest Service.
MLA (9th ed.) CitationUnited States. Forest Service. America's Forests: ... Health Update. U.S. Dept. of Agriculture, Forest Service.
Warning: These citations may not always be 100% accurate.