Centers for Epidemiology and Animal Health (U.S.). (2009). Parasite control practices on U.S. cow-calf operations, 2007-08. United States Department of Agriculture, Animal and Plant Health Inspection Service, Centers for Epidemiology and Animal Health.
Chicago Style (17th ed.) CitationCenters for Epidemiology and Animal Health (U.S.). Parasite Control Practices on U.S. Cow-calf Operations, 2007-08. [Fort Collins, Colo.]: United States Department of Agriculture, Animal and Plant Health Inspection Service, Centers for Epidemiology and Animal Health, 2009.
MLA (9th ed.) CitationCenters for Epidemiology and Animal Health (U.S.). Parasite Control Practices on U.S. Cow-calf Operations, 2007-08. United States Department of Agriculture, Animal and Plant Health Inspection Service, Centers for Epidemiology and Animal Health, 2009.