Cita APA (7th ed.)
Metcalf & Eddy, Tchobanoglous, G., & Burton, F. L. (1991). Wastewater engineering: Treatment, disposal, and reuse (3rd ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Metcalf & Eddy, George Tchobanoglous, i Franklin L. Burton. Wastewater Engineering: Treatment, Disposal, and Reuse. 3rd ed. New York ; New delhi: McGraw-Hill, 1991.
Cita MLA (9th ed.)
Metcalf & Eddy, et al. Wastewater Engineering: Treatment, Disposal, and Reuse. 3rd ed. McGraw-Hill, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.