APA (7th ed.) Citation

United States. National Park Service. (1982). Great Smoky Mountains National Park, North Carolina/Tennessee. The Service.

Chicago Style (17th ed.) Citation

United States. National Park Service. Great Smoky Mountains National Park, North Carolina/Tennessee. [Washington, D.C.?]: The Service, 1982.

MLA (9th ed.) Citation

United States. National Park Service. Great Smoky Mountains National Park, North Carolina/Tennessee. The Service, 1982.

Warning: These citations may not always be 100% accurate.