APA (7th ed.) Zitazioa

Eldredge, N. (1989). Time frames: The evolution of punctuated equilibria. Princeton University Press.

Chicago Style (17th ed.) Zitazioa

Eldredge, Niles. Time Frames: The Evolution of Punctuated Equilibria. Princeton: Princeton University Press, 1989.

MLA (9th ed.) Zitazioa

Eldredge, Niles. Time Frames: The Evolution of Punctuated Equilibria. Princeton University Press, 1989.