APA (7th ed.) Citation

Brooks, F. E. (1920). Spotted apple-tree borer. U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Brooks, Fred E. Spotted Apple-tree Borer. Washington, D.C.: U.S. Dept. of Agriculture, 1920.

MLA (8th ed.) Citation

Brooks, Fred E. Spotted Apple-tree Borer. U.S. Dept. of Agriculture, 1920.