Standard methods for the examination of water and wastewater.
Prepared and published jointly by American Public Health Assoc., American Water Works Assoc. [and] Water Pollution Control Federation.

APA Citation

American Public Health Association. (1971). Standard methods for the examination of water and wastewater. 13th ed. Washington.

MLA Citation

American Public Health Association. Standard Methods for the Examination of Water And Wastewater. 13th ed. Washington, 1971.

Warning: These citations may not always be complete (especially for serials).