APA (7th ed.) Citation

(2005). Standard methods for the examination of water and wastewater (21st.). American Public Health Association.

Chicago Style (17th ed.) Citation

Standard Methods for the Examination of Water and Wastewater. 21st. Washington, D.C: American Public Health Association, 2005.

MLA (9th ed.) Citation

Standard Methods for the Examination of Water and Wastewater. 21st. American Public Health Association, 2005.