Cita APA (7a ed.)

Ullmann, W. (2002). Short History of the Papacy in the Middle Ages (2nd ed.). Routledge.

Cita Chicago Style (17a ed.)

Ullmann, Walter. Short History of the Papacy in the Middle Ages. 2nd ed. London: Routledge, 2002.

Cita MLA (8a ed.)

Ullmann, Walter. Short History of the Papacy in the Middle Ages. 2nd ed. Routledge, 2002.