National Scenic Byways study.
APA Citation
United States. Federal Highway Administration. (1991). National Scenic Byways study. [Washington, D.C.?]: U.S. Dept. of Transportation, Federal Highway Administration.
MLA Citation
United States. Federal Highway Administration. National Scenic Byways Study. [Washington, D.C.?]: U.S. Dept. of Transportation, Federal Highway Administration, 1991.
Warning: These citations may not always be complete (especially for serials).