Augustine, S., & Parsons, W. (2008). Letters. Catholic University of America Press.
芝加哥风格引文Augustine, Saint, 与 Wilfrid Parsons. Letters. Washington, D.C.: Catholic University of America Press, 2008.
MLA引文Augustine, Saint, 与 Wilfrid Parsons. Letters. Catholic University of America Press, 2008.
警告：这些引文格式不一定是100％准确.