Cita APA (7a ed.)

Gilson, É. (1955). History of christian philosophy in the Middle Ages ([1st pub.].). Sheed and Ward.

Cita Chicago Style (17a ed.)

Gilson, Étienne. History of Christian Philosophy in the Middle Ages. [1st pub.]. London: Sheed and Ward, 1955.

Cita MLA (9a ed.)

Gilson, Étienne. History of Christian Philosophy in the Middle Ages. [1st pub.]. Sheed and Ward, 1955.