APA (7th ed.) Citation

National Research Council (U.S.). Transportation Research Board. (1997). Research on traffic control devices. National Academy Press.

Chicago Style (17th ed.) Citation

National Research Council (U.S.). Transportation Research Board. Research on Traffic Control Devices. Washington, D.C: National Academy Press, 1997.

MLA (9th ed.) Citation

National Research Council (U.S.). Transportation Research Board. Research on Traffic Control Devices. National Academy Press, 1997.