American Public Health Association, American Water Works Association, Water Pollution Control Federation, Aras, M. J., Greenberg, A. E., Hoak, R. D., & Rand, M. C. (1971). Standard methods for the examination of water and wastewater (Thirteenth edition.). American Public Health Association.
Chicago Style (17th ed.) CitationAmerican Public Health Association, American Water Works Association, Water Pollution Control Federation, Michael J. Aras, Arnold E. Greenberg, Richard D. Hoak, and M. C. Rand. Standard Methods for the Examination of Water and Wastewater. Thirteenth edition. Washington, D.C: American Public Health Association, 1971.
MLA (9th ed.) CitationAmerican Public Health Association, et al. Standard Methods for the Examination of Water and Wastewater. Thirteenth edition. American Public Health Association, 1971.