Parks for America : a survey of park and related resources in the fifty states and a preliminary plan.

MLA

United States. Parks for America : a survey of park and related resources in the fifty states and a preliminary plan. [Washington, D.C.] : U.S. Dept. of the Interior, National Park Service : For sale by the Supt. of Docs., U.S. G.P.O., 1964.

APA

United States. (1964). Parks for America : a survey of park and related resources in the fifty states and a preliminary plan. [Washington, D.C.] : U.S. Dept. of the Interior, National Park Service : For sale by the Supt. of Docs., U.S. G.P.O..

Chicago

United States. Parks for America : a survey of park and related resources in the fifty states and a preliminary plan. [Washington, D.C.] : U.S. Dept. of the Interior, National Park Service : For sale by the Supt. of Docs., U.S. G.P.O., 1964.