Cita APA (7a ed.)

Courtillot, V. (1999). Evolutionary catastrophes: The science of mass extinction. Univ. Pr.

Cita Chicago Style (17a ed.)

Courtillot, Vincent. Evolutionary Catastrophes: The Science of Mass Extinction. Cambridge: Univ. Pr, 1999.

Cita MLA (9a ed.)

Courtillot, Vincent. Evolutionary Catastrophes: The Science of Mass Extinction. Univ. Pr, 1999.

Precaución: Estas citas no son 100% exactas.