Cita APA (7th ed.)

American Public Health Association, American Water Works Association, Water Environment Federation (U.S.), & American Public Health Association. (1996). Standard methods for the examination of water and wastewater: 19th edition supplement. APHA-AWWA-WEF.

Cita Chicago (17th ed.)

American Public Health Association, American Water Works Association, Water Environment Federation (U.S.), i American Public Health Association. Standard Methods for the Examination of Water and Wastewater: 19th Edition Supplement. Washington, D.C.: APHA-AWWA-WEF, 1996.

Cita MLA (8th ed.)

American Public Health Association, et al. Standard Methods for the Examination of Water and Wastewater: 19th Edition Supplement. APHA-AWWA-WEF, 1996.