APA-viite (7. p.)

Augustine, o. H., & Eno, R. B. (1989). Letters. Catholic University of America Press.

Chicago-viite (17. p.)

Augustine, of Hippo, ja Robert B. Eno. Letters. Washington: Catholic University of America Press, 1989.

MLA-viite (9. p.)

Augustine, of Hippo, ja Robert B. Eno. Letters. Catholic University of America Press, 1989.