Mann, H. K. (1902). The lives of the popes in the early middle ages. Kegan Paul, Trench, Trubner.
芝加哥风格引文Mann, Horace Kinder. The Lives of the Popes in the Early Middle Ages. London: Kegan Paul, Trench, Trubner, 1902.
MLA引文Mann, Horace Kinder. The Lives of the Popes in the Early Middle Ages. Kegan Paul, Trench, Trubner, 1902.
警告:这些引文格式不一定是100%准确.