National scenic and recreational trails /
Bureau of Outdoor Recreation, U.S. Dept. of the Interior.

APA Citation

United States. Bureau of Outdoor Recreation., United States. Forest Service. (1975). National scenic and recreational trails. [Rev.] [Washington]: The Bureau : for sale by the Supt. of Docs., U.S. Govt. Print. Off..

MLA Citation

United States. Bureau of Outdoor Recreation, and United States. Forest Service. National Scenic And Recreational Trails. [Rev.] [Washington]: The Bureau : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1975.

Warning: These citations may not always be complete (especially for serials).