APA (7th ed.) Citation

De Garmo, E. P., Canada, J. R., & Woods, B. M. (1973). Engineering economy (5th ed.). National Book Stores.

Chicago Style (17th ed.) Citation

De Garmo, Ernest Paul, John R. Canada, and Baldwin Munge Woods. Engineering Economy. 5th ed. Manila: National Book Stores, 1973.

MLA (9th ed.) Citation

De Garmo, Ernest Paul, et al. Engineering Economy. 5th ed. National Book Stores, 1973.