National Research Council (U.S.). Highway Research Board. (1973). Traffic signals: 5 reports ; prepared for the 52nd annual meeting. Highway Research Board, National Research Council.
Chicago Style (17th ed.) CitationNational Research Council (U.S.). Highway Research Board. Traffic Signals: 5 Reports ; Prepared for the 52nd Annual Meeting. Washington, D.C: Highway Research Board, National Research Council, 1973.
MLA (8th ed.) CitationNational Research Council (U.S.). Highway Research Board. Traffic Signals: 5 Reports ; Prepared for the 52nd Annual Meeting. Highway Research Board, National Research Council, 1973.
Warning: These citations may not always be 100% accurate.