United States. National Highway Traffic Safety Administration & Treat, J. R. (1979). Tri-level study of the causes of traffic accidents: Executive summary. The Administration.
Chicago Style (17th ed.) CitationUnited States. National Highway Traffic Safety Administration and John R. Treat. Tri-level Study of the Causes of Traffic Accidents: Executive Summary. Washington, D.C.: The Administration, 1979.
MLA (9th ed.) CitationUnited States. National Highway Traffic Safety Administration and John R. Treat. Tri-level Study of the Causes of Traffic Accidents: Executive Summary. The Administration, 1979.
Warning: These citations may not always be 100% accurate.