Gaya APA

Gilson, E., (tr), A, D. (1940). The spirit of mediaeval philosophy (gifford lectures 1931-1932) . : charles scribner's sons.

Gaya MLA

Gilson, Etienne., (tr), A.H.C., Downes. "The spirit of mediaeval philosophy (gifford lectures 1931-1932)". : charles scribner's sons, 1940. Text.