APA (7th ed.) Citation

Sullivan, W. G., Wicks, E. M., Koelling, C. P. 1., & De Garmo, E. P. (2012). Engineering economy (15th ed., International ed.). Pearson.

Chicago Style (17th ed.) Citation

Sullivan, William G., Elin M. Wicks, C. Patrick 1953 Koelling, and E. Paul De Garmo. Engineering Economy. 15th ed., International ed. Boston: Pearson, 2012.

MLA (9th ed.) Citation

Sullivan, William G., et al. Engineering Economy. 15th ed., International ed. Pearson, 2012.