Torrell, J., & Royal, R. (2003). Spiritual master. Catholic University of America Press.
芝加哥风格引文Torrell, Jean-Pierre, 与 Robert Royal. Spiritual Master. Washington, D.C.: Catholic University of America Press, 2003.
MLA引文Torrell, Jean-Pierre, 与 Robert Royal. Spiritual Master. Catholic University of America Press, 2003.
警告：这些引文格式不一定是100％准确.