APA (7th ed.) Citation

National Research Council (U.S.). Highway Research Board. (1952). Highway sufficiency ratings: Presented at the 31st annual meeting, January 1952. The Board.

Chicago Style (17th ed.) Citation

National Research Council (U.S.). Highway Research Board. Highway Sufficiency Ratings: Presented at the 31st Annual Meeting, January 1952. Washington, D.C: The Board, 1952.

MLA (9th ed.) Citation

National Research Council (U.S.). Highway Research Board. Highway Sufficiency Ratings: Presented at the 31st Annual Meeting, January 1952. The Board, 1952.