Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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