Cita APA (7th ed.)

Lenton, T., & Watson, A. J. (2011). Revolutions that made the Earth. Oxford University Press.

Cita Chicago (17th ed.)

Lenton, Tim, i A. J. Watson. Revolutions That Made the Earth. Oxford, England ; New York: Oxford University Press, 2011.

Cita MLA (9th ed.)

Lenton, Tim, i A. J. Watson. Revolutions That Made the Earth. Oxford University Press, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.