United States. Federal Highway Administration. (1999). Road user guide: For North America = Guide de l'usager de la route : en Amerique du Nord = Guia para conducir : por las carreteras Norteamericanas (Rev. HOTO/4-99(200M)E.). U.S. Dept. of Transportation, Federal Highway Administration.
Chicago Style (17th ed.) CitationUnited States. Federal Highway Administration. Road User Guide: For North America = Guide De L'usager De La Route : En Amerique Du Nord = Guia Para Conducir : Por Las Carreteras Norteamericanas. Rev. HOTO/4-99(200M)E. [Washington, D.C.]: U.S. Dept. of Transportation, Federal Highway Administration, 1999.
MLA (9th ed.) CitationUnited States. Federal Highway Administration. Road User Guide: For North America = Guide De L'usager De La Route : En Amerique Du Nord = Guia Para Conducir : Por Las Carreteras Norteamericanas. Rev. HOTO/4-99(200M)E. U.S. Dept. of Transportation, Federal Highway Administration, 1999.