Cita APA (7th ed.)

Water Environment Federation (U.S.). (1996). Operations training: Wastewater treatment course. Water Environment Federation.

Cita Chicago (17th ed.)

Water Environment Federation (U.S.). Operations Training: Wastewater Treatment Course. Alexandria, Va: Water Environment Federation, 1996.

Cita MLA (9th ed.)

Water Environment Federation (U.S.). Operations Training: Wastewater Treatment Course. Water Environment Federation, 1996.