Cita APA (7a ed.)

Mann, H. K. (1925). The lives of the popes in the early Middle Ages: II, The Popes during the Corolingian Empire. Leo III to Formosus 795-891. v.II.(795-858) (2nd ed.). Kegan Paul, Trench Trubner & Co.

Cita Chicago Style (17a ed.)

Mann, Horace K. The Lives of the Popes in the Early Middle Ages: II, The Popes During the Corolingian Empire. Leo III to Formosus 795-891. V.II.(795-858). 2nd ed. London: Kegan Paul, Trench Trubner & Co, 1925.

Cita MLA (9a ed.)

Mann, Horace K. The Lives of the Popes in the Early Middle Ages: II, The Popes During the Corolingian Empire. Leo III to Formosus 795-891. V.II.(795-858). 2nd ed. Kegan Paul, Trench Trubner & Co, 1925.