Agnellus, d. R. 8., & Nauerth, C. (1996). Liber pontificalis. Liber pontificalis = Bischofsbuch.
芝加哥风格引文Agnellus, de Ravenna 800-850, 与 Claudia Nauerth. "Liber Pontificalis." Liber Pontificalis = Bischofsbuch 1996.
MLA引文Agnellus, de Ravenna 800-850, 与 Claudia Nauerth. "Liber Pontificalis." Liber Pontificalis = Bischofsbuch, 1996.
警告:这些引文格式不一定是100%准确.