Essential environment : the science behind the stories.

MLA

Brennan, Scott, and Jay Withgott. Essential Environment : the Science Behind the Stories. San Francisco: Pearson, 2005.

APA

Brennan, S., & Withgott, J. (2005). Essential environment : the science behind the stories. San Francisco: Pearson.

Chicago

Brennan, Scott, and Jay Withgott. Essential Environment: The Science Behind the Stories. San Francisco: Pearson, 2005.