Cita APA (7th ed.)
Metcalf & Eddy & Tchobanoglous, G. (1979). Wastewater Engineering: Treatment, Disposal, and Reuse (2nd ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Metcalf & Eddy i George Tchobanoglous. Wastewater Engineering: Treatment, Disposal, and Reuse. 2nd ed. New York ; New delhi: McGraw-Hill, 1979.
Cita MLA (9th ed.)
Metcalf & Eddy i George Tchobanoglous. Wastewater Engineering: Treatment, Disposal, and Reuse. 2nd ed. McGraw-Hill, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.