Cita APA (7a ed.)

Clarke, B. (2015). Earth, Life, and System: Evolution and Ecology on a Gaian Planet (First edition.). Fordham University Press.

Cita Chicago Style (17a ed.)

Clarke, Bruce. Earth, Life, and System: Evolution and Ecology on a Gaian Planet. First edition. New York: Fordham University Press, 2015.

Cita MLA (8a ed.)

Clarke, Bruce. Earth, Life, and System: Evolution and Ecology on a Gaian Planet. First edition. Fordham University Press, 2015.