Style de citation APA (7e éd.)

Ullmann, W. (1966). The Individual and Society in the Middle Ages. Johns Hopkins Press.

Style de citation Chicago (17e éd.)

Ullmann, Walter. The Individual and Society in the Middle Ages. Baltimore: Johns Hopkins Press, 1966.

Style de citation MLA (8e éd.)

Ullmann, Walter. The Individual and Society in the Middle Ages. Johns Hopkins Press, 1966.