O. Faller ed., Sancti Ambrosii opera pars septima. Explanatio symboli. De sacramentis. De mysteriis. De paenitentia. De excessu fratris. De obitu Valentiniani. De obitu Theodosii, Coprus Scriptorum Ecclesiasticorum Latinorum 73, Wien 1955, 117-206
R. Gryson ed., Ambroise de Milan, La pénitence, Sources Chrétiennes 179, Paris 1971
English translation:
H. De Romestin trans., Ambrose, Concerning Repentance, in Nicene and Post-Nicene Fathers, Second Series, vol. 10, ed. P. Schaff and H. Wace, Buffalo 1896