Cita APA (7a ed.)

Federation, W. E. (2017). Activated Sludge and Nutrient Removal. Water Environment Federation.

Cita Chicago Style (17a ed.)

Federation, Water Environment. Activated Sludge and Nutrient Removal. Chicago: Water Environment Federation, 2017.

Cita MLA (8a ed.)

Federation, Water Environment. Activated Sludge and Nutrient Removal. Water Environment Federation, 2017.