Cita APA (7a ed.)

León I, P., & Dolle, R. (1973). Sermons: 4. Editions du Cerf.

Cita Chicago Style (17a ed.)

León I, Papa, y René Dolle. Sermons: 4. Paris: Editions du Cerf, 1973.

Cita MLA (9a ed.)

León I, Papa, y René Dolle. Sermons: 4. Editions du Cerf, 1973.