APA (7th ed.) Citation

National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, & Potts, I. B. (2004). Safety of U-turns at unsignalized median openings. Transportation Research Board.

Chicago Style (17th ed.) Citation

National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, and Ingrid B. Potts. Safety of U-turns at Unsignalized Median Openings. Washington, D.C: Transportation Research Board, 2004.

MLA (9th ed.) Citation

National Cooperative Highway Research Program, et al. Safety of U-turns at Unsignalized Median Openings. Transportation Research Board, 2004.