United States. National Park Service, U.S. Fish and Wildlife Service, United States. Bureau of Land Management, Geological Survey (U.S.), & Corn, P. S. (2005). Amphibian research and monitoring initiative, concepts and implementation. U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationUnited States. National Park Service, U.S. Fish and Wildlife Service, United States. Bureau of Land Management, Geological Survey (U.S.), and Paul Stephen Corn. Amphibian Research and Monitoring Initiative, Concepts and Implementation. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2005.
MLA (9th ed.) CitationUnited States. National Park Service, et al. Amphibian Research and Monitoring Initiative, Concepts and Implementation. U.S. Dept. of the Interior, U.S. Geological Survey, 2005.