Citazione Stile APA (7a Edizione)
Martyn, J. R. C. (2013). Gregory and Leander: An analysis of the special friendship between Pope Gregory the Great and Leander, Archbishop of Seville. Cambridge Scholars Publishing.
Citazione stile Chigago Style (17a edizione)
Martyn, John R. C. Gregory and Leander: An Analysis of the Special Friendship Between Pope Gregory the Great and Leander, Archbishop of Seville. Newcastle upon Tyne: Cambridge Scholars Publishing, 2013.
Citatione MLA (9a ed.)
Martyn, John R. C. Gregory and Leander: An Analysis of the Special Friendship Between Pope Gregory the Great and Leander, Archbishop of Seville. Cambridge Scholars Publishing, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.