Cita APA (7th ed.)

American Public Health Association, American Water Works Association, & Water Environment Federation. (1998). Standard methods for the examination of water and wastewater. American Public Health Association.

Cita Chicago (17th ed.)

American Public Health Association, American Water Works Association, i Water Environment Federation. Standard Methods for the Examination of Water and Wastewater. Washington, DC: American Public Health Association, 1998.

Cita MLA (9th ed.)

American Public Health Association, et al. Standard Methods for the Examination of Water and Wastewater. American Public Health Association, 1998.