U.S. Fish and Wildlife Service, Caudill, J., & Laughland, A. (1998). 1996 national and state economic impacts of wildlife watching: Based on the 1996 national survey of fishing, hunting and wildlife-associated recreation. U.S. Fish & Wildlife Service.
Chicago Style (17th ed.) CitationU.S. Fish and Wildlife Service, James Caudill, and Andrew Laughland. 1996 National and State Economic Impacts of Wildlife Watching: Based on the 1996 National Survey of Fishing, Hunting and Wildlife-associated Recreation. Arlington, Va.: U.S. Fish & Wildlife Service, 1998.
MLA (9th ed.) CitationU.S. Fish and Wildlife Service, et al. 1996 National and State Economic Impacts of Wildlife Watching: Based on the 1996 National Survey of Fishing, Hunting and Wildlife-associated Recreation. U.S. Fish & Wildlife Service, 1998.