Highway statistics, summary to 1975 /
U.S. Department of Transportation, Federal Highway Administration.

APA Citation

United States. Federal Highway Administration. (1977). Highway statistics, summary to 1975. Washington: For sale by the Supt. of Docs., U.S. G.P.O..

MLA Citation

United States. Federal Highway Administration. Highway Statistics, Summary to 1975. Washington: For sale by the Supt. of Docs., U.S. G.P.O., 1977.

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