APA (7th ed.) Zitazioa

(1989). Catastrophes and evolution: Astronomical foundations. Cambridge University.

Chicago Style (17th ed.) Zitazioa

Catastrophes and Evolution: Astronomical Foundations. Cambridge, England, United Kingdom: Cambridge University, 1989.

MLA (9th ed.) Zitazioa

Catastrophes and Evolution: Astronomical Foundations. Cambridge University, 1989.