Water Environment Federation. Activated Sludge Task Force & Water Environment Federation. Municipal Subcommittee. (2002). Activated sludge / prepared by Activated Sludge Task Force of the Water Environment Federation under the direction of the Municipal Subcommittee of the Technical Practice Committee (2nd ed.). Water Environment Federation.
Chicago Style (17th ed.) CitationWater Environment Federation. Activated Sludge Task Force and Water Environment Federation. Municipal Subcommittee. Activated Sludge / Prepared by Activated Sludge Task Force of the Water Environment Federation Under the Direction of the Municipal Subcommittee of the Technical Practice Committee. 2nd ed. Alexandria, VA: Water Environment Federation, 2002.
MLA (9th ed.) CitationWater Environment Federation. Activated Sludge Task Force and Water Environment Federation. Municipal Subcommittee. Activated Sludge / Prepared by Activated Sludge Task Force of the Water Environment Federation Under the Direction of the Municipal Subcommittee of the Technical Practice Committee. 2nd ed. Water Environment Federation, 2002.