Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.