Cita APA

(2005). Standard Methods for the examination of water and wastewater (21. ed.). New York: APHA-AWWA-WEF.

Citación estilo Chicago

Standard Methods for the Examination of Water and Wastewater. 21. ed. New York: APHA-AWWA-WEF, 2005.

Cita MLA

Standard Methods for the Examination of Water and Wastewater. 21. ed. New York: APHA-AWWA-WEF, 2005.