Lettres 1-30.

MLA

Augustinus, Aurelius, Serge Lancel, and Emmanuel Bermon. Lettres 1-30. Paris: Études augustiniennes, 2011.

APA

Augustinus, A., Lancel, S., & Bermon, E. (2011). Lettres 1-30. Paris: Études augustiniennes.

Chicago

Augustinus, Aurelius, and Emmanuel Bermon. Lettres 1-30. Translated by Serge Lancel. Paris: Études augustiniennes, 2011.