Cita APA (7a ed.)

Cronon, W., & Stradling, D. (2004). Conservation in the Progressive Era: Classic Texts. University of Washington Press.

Cita Chicago Style (17a ed.)

Cronon, William, y David Stradling. Conservation in the Progressive Era: Classic Texts. Seattle: University of Washington Press, 2004.

Cita MLA (8a ed.)

Cronon, William, y David Stradling. Conservation in the Progressive Era: Classic Texts. University of Washington Press, 2004.