United States. Animal and Plant Health Inspection Service. (1989). Rift Valley fever: A mosquito-borne exotic disease of sheep, cattle, and humans. U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service.
Chicago Style (17th ed.) CitationUnited States. Animal and Plant Health Inspection Service. Rift Valley Fever: A Mosquito-borne Exotic Disease of Sheep, Cattle, and Humans. [Washington, D.C.?]: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 1989.
MLA (9th ed.) CitationUnited States. Animal and Plant Health Inspection Service. Rift Valley Fever: A Mosquito-borne Exotic Disease of Sheep, Cattle, and Humans. U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 1989.
Warning: These citations may not always be 100% accurate.