United States. Forest Service. Alaska Region, Holsten, E., & Snyder, C. (2004). Birch leaf roller (Rev. June 2004.). U.S. Dept. of Agriculture, Forest Service.
Chicago Style (17th ed.) CitationUnited States. Forest Service. Alaska Region, Ed Holsten, and Cynthia Snyder. Birch Leaf Roller. Rev. June 2004. [Washington, D.C.?]: U.S. Dept. of Agriculture, Forest Service, 2004.
MLA (9th ed.) CitationUnited States. Forest Service. Alaska Region, et al. Birch Leaf Roller. Rev. June 2004. U.S. Dept. of Agriculture, Forest Service, 2004.
Warning: These citations may not always be 100% accurate.