Cita APA (7a ed.)

Stettler, R. F. (2009). Cottonwood and the River of Time: On Trees, Evolution, and Society. University of Washington Press.

Cita Chicago Style (17a ed.)

Stettler, R. F. Cottonwood and the River of Time: On Trees, Evolution, and Society. Seattle: University of Washington Press, 2009.

Cita MLA (8a ed.)

Stettler, R. F. Cottonwood and the River of Time: On Trees, Evolution, and Society. University of Washington Press, 2009.