APA Style

Wright, Paul H, Ashford, Norman J.. (1989). Transportation engineering ; planning and design . New York: John Wiley & Sons.

Chicago Style

Wright, Paul H, Ashford, Norman J.. Transportation engineering ; planning and design. New York: John Wiley & Sons, 1989. Text.

MLA Style

Wright, Paul H, Ashford, Norman J.. Transportation engineering ; planning and design. New York: John Wiley & Sons, 1989. Text.

Turabian Style

Wright, Paul H, Ashford, Norman J.. Transportation engineering ; planning and design. New York: John Wiley & Sons, 1989. Print.