Cita APA (7th ed.)

Gilson, E. (1940). The spirit of medieval philosophy: (Gifford lectures 1931-1932). Charles scribners.

Cita Chicago (17th ed.)

Gilson, Etienne. The Spirit of Medieval Philosophy: (Gifford Lectures 1931-1932). New York: Charles scribners, 1940.

Cita MLA (9th ed.)

Gilson, Etienne. The Spirit of Medieval Philosophy: (Gifford Lectures 1931-1932). Charles scribners, 1940.