APA (7th ed.) Citation

Gray, N. F. (2008). Drinking water quality: [problems and solutions] (2. ed.). University Press.

Chicago Style (17th ed.) Citation

Gray, Nick F. Drinking Water Quality: [problems and Solutions]. 2. ed. Cambridge: University Press, 2008.

MLA (9th ed.) Citation

Gray, Nick F. Drinking Water Quality: [problems and Solutions]. 2. ed. University Press, 2008.