Eckenfelder, W., & Grau, P. (1992). Activated sludge process design and control theory and practice. Technomic Publishing.
Chicago Style (17th ed.) CitationEckenfelder, W.W, and Petr Grau. Activated Sludge Process Design and Control Theory and Practice. Lancaster: Technomic Publishing, 1992.
MLA (8th ed.) CitationEckenfelder, W.W, and Petr Grau. Activated Sludge Process Design and Control Theory and Practice. Technomic Publishing, 1992.
Warning: These citations may not always be 100% accurate.