Cita APA (7a ed.)
Torrell, J., & Royal, R. (2003). Spiritual master. Catholic University of America Press.
Cita Chicago Style (17a ed.)
Torrell, Jean-Pierre, y Robert Royal. Spiritual Master. Washington, D.C.: Catholic University of America Press, 2003.
Cita MLA (9a ed.)
Torrell, Jean-Pierre, y Robert Royal. Spiritual Master. Catholic University of America Press, 2003.
Precaución: Estas citas no son 100% exactas.