National Geographic Society (U.S.). Cartographic Division & Shupe, J. F. (1996). Federal lands in the fifty states: United States, the physical landscape. The Society.
Chicago Style (17th ed.) CitationNational Geographic Society (U.S.). Cartographic Division and John F. Shupe. Federal Lands in the Fifty States: United States, the Physical Landscape. Washington, D.C.: The Society, 1996.
MLA (9th ed.) CitationNational Geographic Society (U.S.). Cartographic Division and John F. Shupe. Federal Lands in the Fifty States: United States, the Physical Landscape. The Society, 1996.
Warning: These citations may not always be 100% accurate.