APA (7th ed.) Citation

National Research Council (U.S.). Transportation Research Board. (1981). Research problem statements in landscape and environmental design. The Board.

Chicago Style (17th ed.) Citation

National Research Council (U.S.). Transportation Research Board. Research Problem Statements in Landscape and Environmental Design. Washington, D.C: The Board, 1981.

MLA (9th ed.) Citation

National Research Council (U.S.). Transportation Research Board. Research Problem Statements in Landscape and Environmental Design. The Board, 1981.