MLA

Becher, Bernd, and Hilla Becher. Cooling Towers. Cambridge, Mass.: MIT Press, 2005.

APA

Becher, B., & Becher, H. (2005). Cooling towers. Cambridge, Mass.: MIT Press.

Chicago

Becher, Bernd, and Hilla Becher. Cooling Towers. Cambridge, Mass.: MIT Press, 2005.