Water Pollution Control Federation. (1990). Operation of municipal wastewater treatment plants (2nd ed.). Water Pollution Control Federation.
Cita Chicago Style (17a ed.)Water Pollution Control Federation. Operation of Municipal Wastewater Treatment Plants. 2nd ed. Alexandria [Virginia, EEUU]: Water Pollution Control Federation, 1990.
Cita MLA (8a ed.)Water Pollution Control Federation. Operation of Municipal Wastewater Treatment Plants. 2nd ed. Water Pollution Control Federation, 1990.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.