APA (7th ed.) Citation

United States. Forest Service. (1987). Cottonwood leaf beetle. U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

United States. Forest Service. Cottonwood Leaf Beetle. [Washington, D.C.?]: U.S. Dept. of Agriculture, 1987.

MLA (9th ed.) Citation

United States. Forest Service. Cottonwood Leaf Beetle. U.S. Dept. of Agriculture, 1987.