Παραπομπή σε μορφή APA (7η εκδ.)

Lower, M. (2005). The Barons' Crusade: A call to arms and its consequences. University of Pennsylvania Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lower, Michael. The Barons' Crusade: A Call to Arms and Its Consequences. Philadelphia: University of Pennsylvania Press, 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Lower, Michael. The Barons' Crusade: A Call to Arms and Its Consequences. University of Pennsylvania Press, 2005.