APA (7th ed.) Citation

Wright, P. H., & Ashford, N. (1998). Transportation engineering: Planning and design (4th ed.). John Wiley.

Chicago Style (17th ed.) Citation

Wright, Paul H., and Norman Ashford. Transportation Engineering: Planning and Design. 4th ed. New York: John Wiley, 1998.

MLA (8th ed.) Citation

Wright, Paul H., and Norman Ashford. Transportation Engineering: Planning and Design. 4th ed. John Wiley, 1998.