Cyprian, S., & Donna, R. B. (1964). Letters (1-81). Catholic University of America Press, Inc..
芝加哥风格引文Cyprian, Saint, 与 Rose Bernard Donna. Letters (1-81). Washington, D.C.: Catholic University of America Press, Inc., 1964.
MLA引文Cyprian, Saint, 与 Rose Bernard Donna. Letters (1-81). Catholic University of America Press, Inc., 1964.
警告：这些引文格式不一定是100％准确.