APA (7th ed.) Citation

Wright, P. H., & Ashford, N. (1989). Transportation engineering: Planning and design (3. ed.). Wiley.

Chicago Style (17th ed.) Citation

Wright, Paul H., and Norman Ashford. Transportation Engineering: Planning and Design. 3. ed. New York u.a: Wiley, 1989.

MLA (9th ed.) Citation

Wright, Paul H., and Norman Ashford. Transportation Engineering: Planning and Design. 3. ed. Wiley, 1989.