APA (7th ed.) Citation

Firmus, C. -., Sebasti, M., & Gatier, P. (1989). Lettres. Sources chrétiennes.

Chicago Style (17th ed.) Citation

Firmus, Caesariensis -439, Marie-Ange Sebasti, and Pierre-Louis Gatier. "Lettres." Sources Chrétiennes 1989.

MLA (8th ed.) Citation

Firmus, Caesariensis -439, et al. "Lettres." Sources Chrétiennes, 1989.

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