APA (7th ed.) Citation

Treen, C., & Atkin, M. (2005). Water resources and their management. University of York.

Chicago Style (17th ed.) Citation

Treen, C., and M. Atkin. Water Resources and Their Management. York: University of York, 2005.

MLA (9th ed.) Citation

Treen, C., and M. Atkin. Water Resources and Their Management. University of York, 2005.