APA
Augustine, . (1988). Tractates on the Gospel of John. Washington, D.C: Catholic University of America Press.
Chicago
Augustine, . 1988. Tractates on the Gospel of John. Washington, D.C: Catholic University of America Press.
Harvard
Augustine, . (1988). Tractates on the Gospel of John. Washington, D.C: Catholic University of America Press.
MLA
Augustine, . Tractates on the Gospel of John. Washington, D.C: Catholic University of America Press. 1988.