United States. Animal and Plant Health Inspection Service. (2012). Attention, sheep grazing this area: Livestock protection dogs in use. U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service.
Chicago Style (17th ed.) CitationUnited States. Animal and Plant Health Inspection Service. Attention, Sheep Grazing This Area: Livestock Protection Dogs in Use. [Washington, D.C.]: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 2012.
MLA (9th ed.) CitationUnited States. Animal and Plant Health Inspection Service. Attention, Sheep Grazing This Area: Livestock Protection Dogs in Use. U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 2012.
Warning: These citations may not always be 100% accurate.