National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, & Harkey, D. L. (2005). Crash reduction factors for traffic engineering and intelligent transportation system (ITS improvements): State-of knowledge report. Transportation Research Board.
Chicago Style (17th ed.) CitationNational Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, and David L. Harkey. Crash Reduction Factors for Traffic Engineering and Intelligent Transportation System (ITS Improvements): State-of Knowledge Report. Washington, D.C: Transportation Research Board, 2005.
MLA (9th ed.) CitationNational Research Council (U.S.). Transportation Research Board, et al. Crash Reduction Factors for Traffic Engineering and Intelligent Transportation System (ITS Improvements): State-of Knowledge Report. Transportation Research Board, 2005.