APA (7th ed.) Citation

National Research Council. Highway Research Board. (1970). Traffic flow theory: 6 reports. Highway Research Board.

Chicago Style (17th ed.) Citation

National Research Council. Highway Research Board. Traffic Flow Theory: 6 Reports. Washington: Highway Research Board, 1970.

MLA (9th ed.) Citation

National Research Council. Highway Research Board. Traffic Flow Theory: 6 Reports. Highway Research Board, 1970.

Warning: These citations may not always be 100% accurate.