APA Citation
Gray, N. F. (2004). Biology and wastewater treatment (2nd ed.). London: Imperial College Press.
Chicago Style CitationGray, N. F. Biology and Wastewater Treatment. 2nd ed. London: Imperial College Press, 2004.
MLA CitationGray, N. F. Biology and Wastewater Treatment. 2nd ed. London: Imperial College Press, 2004.
Warning: These citations may not always be 100% accurate.