APA (7th ed.) Citation

United States. National Park Service. (2009). Mammoth Cave National Park, Kentucky. National Park Service, U.S. Dept. of the Interior.

Chicago Style (17th ed.) Citation

United States. National Park Service. Mammoth Cave National Park, Kentucky. [Washington, D.C.]: National Park Service, U.S. Dept. of the Interior, 2009.

MLA (8th ed.) Citation

United States. National Park Service. Mammoth Cave National Park, Kentucky. National Park Service, U.S. Dept. of the Interior, 2009.