The City of God Books III & IV.

MLA

Augustinus, Aurelius, and P. G Walsh. The City of God Books Iii & Iv. Oxford: Aris and Phillips, 2007.

APA

Augustinus, A., & Walsh, P. G. (2007). The City of God Books III & IV. Oxford: Aris and Phillips.

Chicago

Augustinus, Aurelius The City of God Books III & IV. Edited by P. G Walsh. Oxford: Aris and Phillips, 2007.