APA (7th ed.) Citation

Gilson, É. (1950). Reason and revelation in the middle ages. C. Scribner.

Chicago Style (17th ed.) Citation

Gilson, Étienne. Reason and Revelation in the Middle Ages. New York: C. Scribner, 1950.

MLA (9th ed.) Citation

Gilson, Étienne. Reason and Revelation in the Middle Ages. C. Scribner, 1950.