Cita APA (7th ed.)
Davis, M. L., & Cornwell, D. A. (1998). Introduction to environmental engineering (3rd ed.). WCB McGraw-Hill.
Cita Chicago (17th ed.)
Davis, Mackenzie Leo, i David A. Cornwell. Introduction to Environmental Engineering. 3rd ed. Boston, Mass.: WCB McGraw-Hill, 1998.
Cita MLA (9th ed.)
Davis, Mackenzie Leo, i David A. Cornwell. Introduction to Environmental Engineering. 3rd ed. WCB McGraw-Hill, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.