APA (7th ed.) Citation

(2006). Standard methods for the examination of water and wastewater (21st ed.). American Public Health Association, American Waterworks Association, Water Environment Federation.

Chicago Style (17th ed.) Citation

Standard Methods for the Examination of Water and Wastewater. 21st ed. Washington D.C: American Public Health Association, American Waterworks Association, Water Environment Federation, 2006.

MLA (9th ed.) Citation

Standard Methods for the Examination of Water and Wastewater. 21st ed. American Public Health Association, American Waterworks Association, Water Environment Federation, 2006.