Demographic special reports :
based on data from the 1990 Nationwide Personal Transportation Survey (NPTS).

APA Citation

United States. Federal Highway Administration. Office of Highway Information Management. (1995). Demographic special reports: based on data from the 1990 Nationwide Personal Transportation Survey (NPTS). [Washington, D.C.?]: U.S. Department of Transportation, Federal Highway Administration.

MLA Citation

United States. Federal Highway Administration. Office of Highway Information Management. Demographic Special Reports: Based On Data From the 1990 Nationwide Personal Transportation Survey (NPTS). [Washington, D.C.?]: U.S. Department of Transportation, Federal Highway Administration, 1995.