Cita APA (7th ed.)
Metcalf and Eddy, Tchobanoglous, G., Burton, F. L., & Stensel, H. D. Wastewater Engineering: Treatment and Reuse (4a edición.). McGraw-Hill.
Cita Chicago (17th ed.)
Metcalf and Eddy, George Tchobanoglous, Franklin L. Burton, i H. David Stensel. Wastewater Engineering: Treatment and Reuse. 4a edición. Boston, EUA: McGraw-Hill.
Cita MLA (9th ed.)
Metcalf and Eddy, et al. Wastewater Engineering: Treatment and Reuse. 4a edición. McGraw-Hill.
Atenció: Aquestes cites poden no estar 100% correctes.