APA

U.S. Department of Transportation, Federal Highway Administration, . (1980). The urban transportation planning system (UTPS). Washington DC: U.S. Department of Transportation.

Chicago

U.S. Department of Transportation, Federal Highway Administration, . 1980. The urban transportation planning system (UTPS). Washington DC: U.S. Department of Transportation.

Harvard

U.S. Department of Transportation, Federal Highway Administration, . (1980). The urban transportation planning system (UTPS). Washington DC: U.S. Department of Transportation.

MLA

U.S. Department of Transportation, Federal Highway Administration, . The urban transportation planning system (UTPS). Washington DC: U.S. Department of Transportation. 1980.