Cita APA (7th ed.)

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.