APA (7th ed.) Citation

León I, P., & Dolle, R. (1957). Sermons. Cerf.

Chicago Style (17th ed.) Citation

León I, Papa, and René Dolle. Sermons. Paris: Cerf, 1957.

MLA (9th ed.) Citation

León I, Papa, and René Dolle. Sermons. Cerf, 1957.

Warning: These citations may not always be 100% accurate.