United States. Animal and Plant Health Inspection Service. Veterinary Services, United States. Agricultural Research Service. Animal Health Division, & United States. Animal and Plant Health Inspection Service. National tick surveillance program. Veterinary Services.
Chicago Style (17th ed.) CitationUnited States. Animal and Plant Health Inspection Service. Veterinary Services, United States. Agricultural Research Service. Animal Health Division, and United States. Animal and Plant Health Inspection Service. National Tick Surveillance Program. [Washington, D.C.?]: Veterinary Services.
MLA (9th ed.) CitationUnited States. Animal and Plant Health Inspection Service. Veterinary Services, et al. National Tick Surveillance Program. Veterinary Services.
Warning: These citations may not always be 100% accurate.