APA (7th ed.) Citation

(2012). Sheep 2011. United States Department of Agriculture, Animal and Plant Health Inspection Service, Veterinary Services, National Animal Health Monitoring System.

Chicago Style (17th ed.) Citation

Sheep 2011. Fort Collins, CO: United States Department of Agriculture, Animal and Plant Health Inspection Service, Veterinary Services, National Animal Health Monitoring System, 2012.

MLA (9th ed.) Citation

Sheep 2011. United States Department of Agriculture, Animal and Plant Health Inspection Service, Veterinary Services, National Animal Health Monitoring System, 2012.