(2005). Standard methods for the examination of water & wastewater (21st ed. ed.). Washington, DC: American Public Health Association.
Chicago Style CitationStandard Methods for the Examination of Water & Wastewater. 21st ed. ed. Washington, DC: American Public Health Association, 2005.
MLA CitationStandard Methods for the Examination of Water & Wastewater. 21st ed. ed. Washington, DC: American Public Health Association, 2005.
Warning: These citations may not always be 100% accurate.