Παραπομπή σε μορφή APA (7η εκδ.)

Logan, F. D. (1968). Excommunication and the secular arm in medieval England: A study in legal procedure from the thirteenth to the sixteenth century. Pontifical Institute of Mediaeval Studies.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Logan, F. Donald. Excommunication and the Secular Arm in Medieval England: A Study in Legal Procedure from the Thirteenth to the Sixteenth Century. Toronto: Pontifical Institute of Mediaeval Studies, 1968.

Παραπομπή σε μορφή MLA (8th εκδ.)

Logan, F. Donald. Excommunication and the Secular Arm in Medieval England: A Study in Legal Procedure from the Thirteenth to the Sixteenth Century. Pontifical Institute of Mediaeval Studies, 1968.