Protecting swine health through validated-qualified herds.

MLA

United States. Protecting swine health through validated-qualified herds. [Riverdale, Md.] : United States Department of Agriculture, Animal and Plant Health Inspection Service, 2020.

APA

United States. (2020). Protecting swine health through validated-qualified herds. [Riverdale, Md.] : United States Department of Agriculture, Animal and Plant Health Inspection Service.

Chicago

United States. Protecting swine health through validated-qualified herds. [Riverdale, Md.] : United States Department of Agriculture, Animal and Plant Health Inspection Service, 2020.