APA (7th ed.) Citation

Eckhoff, D. W. (1969). Activated sludge systems: Kinetics of the steady and transient states. University Microfilms International.

Chicago Style (17th ed.) Citation

Eckhoff, David William. Activated Sludge Systems: Kinetics of the Steady and Transient States. Ann Arbor: University Microfilms International, 1969.

MLA (9th ed.) Citation

Eckhoff, David William. Activated Sludge Systems: Kinetics of the Steady and Transient States. University Microfilms International, 1969.