MLA

Stephenson, Tom, Bruce Jefferson, and Simon Judd. Membrane Bioreactors for Wastewater Treatment. Reprinted ed. London: IWA, 2006.

APA

Stephenson, T., Jefferson, B., & Judd, S. (2006). Membrane bioreactors for wastewater treatment. Reprinted ed. London: IWA.

Chicago

Stephenson, Tom, Bruce Jefferson, and Simon Judd. Membrane Bioreactors for Wastewater Treatment. Reprinted ed. London: IWA, 2006.