Style de citation APA (7e éd.)

Collins, J. P., & Crump, M. L. (2009). Extinction in our times: Global amphibian decline. Oxford University Press.

Style de citation Chicago (17e éd.)

Collins, James P., et Martha L. Crump. Extinction in Our Times: Global Amphibian Decline. Oxford ; New York: Oxford University Press, 2009.

Style de citation MLA (9e éd.)

Collins, James P., et Martha L. Crump. Extinction in Our Times: Global Amphibian Decline. Oxford University Press, 2009.