Mann, H. K. (1925). The lives of the popes in the early middle ages The lives of the popes in the early middle ages.
Chicago Style (17th ed.) CitationMann, Horace Kinder. "The Lives of the Popes in the Early Middle Ages." The Lives of the Popes in the Early Middle Ages 1925.
MLA (8th ed.) CitationMann, Horace Kinder. "The Lives of the Popes in the Early Middle Ages." The Lives of the Popes in the Early Middle Ages, 1925.
Warning: These citations may not always be 100% accurate.