Cita APA (7th ed.)

Turvey, S. (2008). Witness to extinction: How we failed to save the Yangtze River dolphin. Oxford University Press.

Cita Chicago (17th ed.)

Turvey, Sam. Witness to Extinction: How We Failed to Save the Yangtze River Dolphin. Oxford ; New York: Oxford University Press, 2008.

Cita MLA (9th ed.)

Turvey, Sam. Witness to Extinction: How We Failed to Save the Yangtze River Dolphin. Oxford University Press, 2008.