APA (7th ed.) Citation

United States. National Park Service & Virginia Commonwealth University. (1989). Trails of the Mid-Atlantic Region: Delaware, Maryland, New Jersey, Pennsylvania, Virginia, West Virginia, District of Columbia. U.S. Dept. of the Interior, National Park Service : For sale by Supt. of Docs., U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. National Park Service and Virginia Commonwealth University. Trails of the Mid-Atlantic Region: Delaware, Maryland, New Jersey, Pennsylvania, Virginia, West Virginia, District of Columbia. [Washington, D.C.]: U.S. Dept. of the Interior, National Park Service : For sale by Supt. of Docs., U.S. G.P.O., 1989.

MLA (9th ed.) Citation

United States. National Park Service and Virginia Commonwealth University. Trails of the Mid-Atlantic Region: Delaware, Maryland, New Jersey, Pennsylvania, Virginia, West Virginia, District of Columbia. U.S. Dept. of the Interior, National Park Service : For sale by Supt. of Docs., U.S. G.P.O., 1989.