APA (7 वां संस्करण) प्रशस्ति पत्र

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.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

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.

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