APA

U.S. Department of Transportation, National Highway Traffic Safety Administration, . (1989). The effects of the 65 mph speed limit during 1987. Washington DC: U.S. Department of Transportation.

Chicago

U.S. Department of Transportation, National Highway Traffic Safety Administration, . 1989. The effects of the 65 mph speed limit during 1987. Washington DC: U.S. Department of Transportation.

Harvard

U.S. Department of Transportation, National Highway Traffic Safety Administration, . (1989). The effects of the 65 mph speed limit during 1987. Washington DC: U.S. Department of Transportation.

MLA

U.S. Department of Transportation, National Highway Traffic Safety Administration, . The effects of the 65 mph speed limit during 1987. Washington DC: U.S. Department of Transportation. 1989.