Cita APA (7a ed.)

Augustine, S., & Eno, R. B. (1989). Letters, Volume 6 (1*-29*). Catholic University of America Press.

Cita Chicago Style (17a ed.)

Augustine, Saint, y Robert B. Eno. Letters, Volume 6 (1*-29*). Washington, D.C.: Catholic University of America Press, 1989.

Cita MLA (8a ed.)

Augustine, Saint, y Robert B. Eno. Letters, Volume 6 (1*-29*). Catholic University of America Press, 1989.