Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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