APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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