Cita APA (7th ed.)
Martyn, J. R. C. (2009). Pope Gregory and the brides of Christ. Cambridge Scholars Pub..
Cita Chicago (17th ed.)
Martyn, John R. C. Pope Gregory and the Brides of Christ. Newcastle upon Tyne, U.K.: Cambridge Scholars Pub., 2009.
Cita MLA (9th ed.)
Martyn, John R. C. Pope Gregory and the Brides of Christ. Cambridge Scholars Pub., 2009.
Atenció: Aquestes cites poden no estar 100% correctes.