Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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