APA (7th ed.) Citation

United States. National Park Service. (1993). Fort Necessity National Battlefield, Pennsylvania: Official map and guide. National Park Service, U.S. Dept. of the Interior.

Chicago Style (17th ed.) Citation

United States. National Park Service. Fort Necessity National Battlefield, Pennsylvania: Official Map and Guide. [Washington, D.C.?]: National Park Service, U.S. Dept. of the Interior, 1993.

MLA (8th ed.) Citation

United States. National Park Service. Fort Necessity National Battlefield, Pennsylvania: Official Map and Guide. National Park Service, U.S. Dept. of the Interior, 1993.