APA (7th ed.) Citation

Gilson, É., & Downes, A. H. C. (1936). The spirit of mediaeval philosophy ... C. Scribner's sons.

Chicago Style (17th ed.) Citation

Gilson, Étienne, and Alfred Howard Campbell Downes. The Spirit of Mediaeval Philosophy ... New York: C. Scribner's sons, 1936.

MLA (9th ed.) Citation

Gilson, Étienne, and Alfred Howard Campbell Downes. The Spirit of Mediaeval Philosophy ... C. Scribner's sons, 1936.