Peter Damian, S., Blum, O. J., & Resnick, I. M. (2005). Peter Damian: Letters. Catholic University of America Press.
芝加哥风格引文Peter Damian, Saint, Owen J. Blum, 与 Irven Michael Resnick. Peter Damian: Letters. Washington, D.C.: Catholic University of America Press, 2005.
MLA引文Peter Damian, Saint, et al. Peter Damian: Letters. Catholic University of America Press, 2005.
警告：这些引文格式不一定是100％准确.