Cita APA (7th ed.)

Thompson, J. W. (1939). The medieval library. Hafner Pub. Co.

Cita Chicago (17th ed.)

Thompson, James Westfall. The Medieval Library. New York: Hafner Pub. Co, 1939.

Cita MLA (9th ed.)

Thompson, James Westfall. The Medieval Library. Hafner Pub. Co, 1939.