Martyn, J. R. C. (2011). From queens to slaves: Pope Gregory's special concern for women. Cambridge Scholars Pub.
Cita Chicago Style (17a ed.)Martyn, John R. C. From Queens to Slaves: Pope Gregory's Special Concern for Women. Newcastle Upon Tyne: Cambridge Scholars Pub, 2011.
Cita MLA (9a ed.)Martyn, John R. C. From Queens to Slaves: Pope Gregory's Special Concern for Women. Cambridge Scholars Pub, 2011.
Precaución: Estas citas no son 100% exactas.