APA (7th ed.) Citation

De Germo E Paul. (1960). Engineering economy. Third ed. The Macmillan Comp.

Chicago Style (17th ed.) Citation

De Germo E Paul. Engineering Economy. Third Ed. New York: The Macmillan Comp, 1960.

MLA (9th ed.) Citation

De Germo E Paul. Engineering Economy. Third Ed. The Macmillan Comp, 1960.