American Association of State Highway and Transportation Officials. (1990). A policy on geometric design of highways and streets, 1990. American Association of State Highway and Transportation Officials.
Chicago Style (17th ed.) CitationAmerican Association of State Highway and Transportation Officials. A Policy on Geometric Design of Highways and Streets, 1990. Washington, D.C.: American Association of State Highway and Transportation Officials, 1990.
MLA (9th ed.) CitationAmerican Association of State Highway and Transportation Officials. A Policy on Geometric Design of Highways and Streets, 1990. American Association of State Highway and Transportation Officials, 1990.
Warning: These citations may not always be 100% accurate.