Stanley, S. M., & Luczaj, J. A. (2015). Earth system history (Fourth edition.). W.H. Freeman and Company.
Cita Chicago (17th ed.)Stanley, Steven M., i John A. Luczaj. Earth System History. Fourth edition. New York, NY: W.H. Freeman and Company, 2015.
Cita MLA (9th ed.)Stanley, Steven M., i John A. Luczaj. Earth System History. Fourth edition. W.H. Freeman and Company, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.