APA

Peters E., ed. intro. by Edward Peters, .Heresy and authority in medieval Europe. Phil. PA: .

Chicago

Peters Edward, ed. intro. by Edward Peters, .Heresy and authority in medieval Europe. Phil. PA: .

Harvard

Peters E., ed. intro. by Edward Peters, .Heresy and authority in medieval Europe. Phil. PA: .

MLA

Peters Edward, ed. intro. by Edward Peters, .Phil. PA: . .