APA (7th ed.) Citation

Farris, M. E., Appleby, J. E., & Weber, B. C. (1982). Walnut caterpillar. U.S. Dept. of Agriculture, Forest Service.

Chicago Style (17th ed.) Citation

Farris, M. E., J. E. Appleby, and Barbara C. Weber. Walnut Caterpillar. [Washington, D.C.?]: U.S. Dept. of Agriculture, Forest Service, 1982.

MLA (9th ed.) Citation

Farris, M. E., et al. Walnut Caterpillar. U.S. Dept. of Agriculture, Forest Service, 1982.