APA Style

Gilson, E. (1894). From Aristotle to Darwin and back again : a journey in final causality, species, and evolution (First. ed). San Francisco: Ignatius Press.

MLA Style

Gilson, Etienne. "From Aristotle to Darwin and back again : a journey in final causality, species, and evolution". First. ed San Francisco: Ignatius Press, 1894. Text.