International Association on Water Pollution Research and Control. Conference, Eckenfelder, W. W., & Grau, P. (1992). Activated sludge process design and control: Theory and practice. Technomic Pub. Co..
Chicago Style (17th ed.) CitationInternational Association on Water Pollution Research and Control. Conference, W. Wesley Eckenfelder, and Petr Grau. Activated Sludge Process Design and Control: Theory and Practice. Lancaster, PA, U.S.A.: Technomic Pub. Co., 1992.
MLA (9th ed.) CitationInternational Association on Water Pollution Research and Control. Conference, et al. Activated Sludge Process Design and Control: Theory and Practice. Technomic Pub. Co., 1992.
Warning: These citations may not always be 100% accurate.