Cita APA (7th ed.)

Water Environment Federation. (2008). Operation of municipal wastewater treatment plants (6a. ed.). WEF Press.

Cita Chicago (17th ed.)

Water Environment Federation. Operation of Municipal Wastewater Treatment Plants. 6a. ed. Nueva York: WEF Press, 2008.

Cita MLA (9th ed.)

Water Environment Federation. Operation of Municipal Wastewater Treatment Plants. 6a. ed. WEF Press, 2008.