Cita APA (7a ed.)

Gerardi, M. H., & Lytle, B. (2016). An operator's guide to Biological Nutrient Removal (BNR) in the activated sludge process. Chemical Publishing Co..

Cita Chicago Style (17a ed.)

Gerardi, Michael H., y Brittany Lytle. An Operator's Guide to Biological Nutrient Removal (BNR) in the Activated Sludge Process. Revere, MA: Chemical Publishing Co., 2016.

Cita MLA (8a ed.)

Gerardi, Michael H., y Brittany Lytle. An Operator's Guide to Biological Nutrient Removal (BNR) in the Activated Sludge Process. Chemical Publishing Co., 2016.