APA (7th ed.) Citation

American Public Health Association, American Water Works Association, Water Environment Federation, & Eaton, A. D. (2005). Standard methods for the examination of water and wastewater (21st ed.). American Public Health Association, American Water Works Association, Water Environment Federation.

Chicago Style (17th ed.) Citation

American Public Health Association, American Water Works Association, Water Environment Federation, and Andrew D. Eaton. Standard Methods for the Examination of Water and Wastewater. 21st ed. Washington: American Public Health Association, American Water Works Association, Water Environment Federation, 2005.

MLA (9th ed.) Citation

American Public Health Association, et al. Standard Methods for the Examination of Water and Wastewater. 21st ed. American Public Health Association, American Water Works Association, Water Environment Federation, 2005.