APA (7th ed.) Citation

Peter Damian 1007?-1072. (2005). Peter Damian, 151-180: Letters. Catholic University of America Press.

Chicago Style (17th ed.) Citation

Peter Damian 1007?-1072. Peter Damian, 151-180: Letters. Washington, D.C: Catholic University of America Press, 2005.

MLA (9th ed.) Citation

Peter Damian 1007?-1072. Peter Damian, 151-180: Letters. Catholic University of America Press, 2005.