Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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