Against the donatists.

MLA

Edwards, Mark, and Optatus Milevitanus. Against the Donatists. Liverpool: Liverpool university press, 1997.

APA

Edwards, M., & Optatus Milevitanus, O. Milevitanus. (1997). Against the donatists. Liverpool: Liverpool university press.

Chicago

Optatus Milevitanus. Against the Donatists. Edited by Mark Edwards. Liverpool: Liverpool university press, 1997.