APA (7th ed.) Citation

American Public Health Association, American Water Works Association, & Water Pollution Control Federation (United States). (1981). Standard methods for the examination of water and wastewater (15th ed.). American Public Health Association.

Chicago Style (17th ed.) Citation

American Public Health Association, American Water Works Association, and Water Pollution Control Federation (United States). Standard Methods for the Examination of Water and Wastewater. 15th ed. Washington, DC: American Public Health Association, 1981.

MLA (9th ed.) Citation

American Public Health Association, et al. Standard Methods for the Examination of Water and Wastewater. 15th ed. American Public Health Association, 1981.