United States. Animal and Plant Health Inspection Service. (1999). Travelers' tips on bringing food, plant, and animal products into the United States (Rev. Oct. 1999.). U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service.
Chicago Style (17th ed.) CitationUnited States. Animal and Plant Health Inspection Service. Travelers' Tips on Bringing Food, Plant, and Animal Products into the United States. Rev. Oct. 1999. [Washington, D.C.?]: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 1999.
MLA (9th ed.) CitationUnited States. Animal and Plant Health Inspection Service. Travelers' Tips on Bringing Food, Plant, and Animal Products into the United States. Rev. Oct. 1999. U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 1999.