APA (7th ed.) Citation

National Research Council (U.S.). Highway Research Board. (1957). Economic impact of highway improvement: Conference proceedings, March 18-19, 1957. Highway Research Board.

Chicago Style (17th ed.) Citation

National Research Council (U.S.). Highway Research Board. Economic Impact of Highway Improvement: Conference Proceedings, March 18-19, 1957. Washington, D.C: Highway Research Board, 1957.

MLA (9th ed.) Citation

National Research Council (U.S.). Highway Research Board. Economic Impact of Highway Improvement: Conference Proceedings, March 18-19, 1957. Highway Research Board, 1957.