APA
U.S. Department of Transportation, Federal Highway Administration & Office of Highway Information Management. (1992). Traffic monitoring guide. Washington DC: U.S. Department of Transportation.
Chicago
U.S. Department of Transportation, Federal Highway Administration and Office of Highway Information Management. 1992. Traffic monitoring guide. Washington DC: U.S. Department of Transportation.
Harvard
U.S. Department of Transportation, Federal Highway Administration and Office of Highway Information Management. (1992). Traffic monitoring guide. Washington DC: U.S. Department of Transportation.
MLA
U.S. Department of Transportation, Federal Highway Administration and Office of Highway Information Management. Traffic monitoring guide. Washington DC: U.S. Department of Transportation. 1992.