APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

Ashford, Norman, et al. Transportation Engineering: Planning and Design. 4th ed. Wiley, 1998.