Cita APA (7a ed.)

Agnellus de Ravenna, s. I., & Nauerth, C. (1996). Liber pontificalis: Bischofsbuch. I. Herder.

Cita Chicago Style (17a ed.)

Agnellus de Ravenna, s. IX, y Claudia Nauerth. Liber Pontificalis: Bischofsbuch. I. Freiburg [etc.]: Herder, 1996.

Cita MLA (9a ed.)

Agnellus de Ravenna, s. IX, y Claudia Nauerth. Liber Pontificalis: Bischofsbuch. I. Herder, 1996.