APA (7th ed.) Citation

United States. Agricultural Research Service. (1999). Healthy animals. U.S. Dept. of Agriculture, Agricultural Research Service.

Chicago Style (17th ed.) Citation

United States. Agricultural Research Service. Healthy Animals. [Beltsville, Md.]: U.S. Dept. of Agriculture, Agricultural Research Service, 1999.

MLA (9th ed.) Citation

United States. Agricultural Research Service. Healthy Animals. U.S. Dept. of Agriculture, Agricultural Research Service, 1999.