APA (7 वां संस्करण) प्रशस्ति पत्र

Parens, J., & Macfarland, J. C. (2011). Medieval political philosophy: Sourcebook (Second edition.). Cornell University Press.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Parens, Joshua, और Joseph C. Macfarland. Medieval Political Philosophy: Sourcebook. Second edition. Ithaca: Cornell University Press, 2011.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Parens, Joshua, और Joseph C. Macfarland. Medieval Political Philosophy: Sourcebook. Second edition. Cornell University Press, 2011.