United States. Bureau of Transportation Statistics & American Association of State Highway and Transportation Officials. (1997). Census transportation planning package: Urban element. Bureau of Transportation Statistics, U.S. Dept. of Transportation.
Chicago Style (17th ed.) CitationUnited States. Bureau of Transportation Statistics and American Association of State Highway and Transportation Officials. Census Transportation Planning Package: Urban Element. [Washington, D.C.?]: Bureau of Transportation Statistics, U.S. Dept. of Transportation, 1997.
MLA (9th ed.) CitationUnited States. Bureau of Transportation Statistics and American Association of State Highway and Transportation Officials. Census Transportation Planning Package: Urban Element. Bureau of Transportation Statistics, U.S. Dept. of Transportation, 1997.