APA (7th ed.) Citation

United States. Animal and Plant Health Inspection Service. (1991). Biological control of the alfalfa weevil (Revised Dec. 1991.). U.S. Department of Agriculture, Animal and Plant Health Inspection Service.

Chicago Style (17th ed.) Citation

United States. Animal and Plant Health Inspection Service. Biological Control of the Alfalfa Weevil. Revised Dec. 1991. [Washington, D.C.?]: U.S. Department of Agriculture, Animal and Plant Health Inspection Service, 1991.

MLA (9th ed.) Citation

United States. Animal and Plant Health Inspection Service. Biological Control of the Alfalfa Weevil. Revised Dec. 1991. U.S. Department of Agriculture, Animal and Plant Health Inspection Service, 1991.