Cita APA (7a ed.)

Water Environment Federation. (2008). Operation of municipal wastewater treatment plants (6th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Water Environment Federation. Operation of Municipal Wastewater Treatment Plants. 6th ed. New York: McGraw-Hill, 2008.

Cita MLA (8a ed.)

Water Environment Federation. Operation of Municipal Wastewater Treatment Plants. 6th ed. McGraw-Hill, 2008.