Selden, P., & Nudds, J. R. (2012). Evolution of fossil ecosystems (Second edition.). Elsevier.
Cita Chicago (17th ed.)Selden, Paul, i John R. Nudds. Evolution of Fossil Ecosystems. Second edition. Amsterdam: Elsevier, 2012.
Cita MLA (9th ed.)Selden, Paul, i John R. Nudds. Evolution of Fossil Ecosystems. Second edition. Elsevier, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.