Grant, E. L., Ireson, W. G., & Leavenworth, R. S. (1990). Principles of engineering economy (8th ed.). Wiley.
Chicago Style (17th ed.) CitationGrant, Eugene Lodewick, W. Grant Ireson, and Richard S. Leavenworth. Principles of Engineering Economy. 8th ed. New York: Wiley, 1990.
MLA (9th ed.) CitationGrant, Eugene Lodewick, et al. Principles of Engineering Economy. 8th ed. Wiley, 1990.
Warning: These citations may not always be 100% accurate.