Gaya APA

S., P, D. (2005). Letters 151-180. Translated by Owen J. Blum & Irven M. Resnick. : Latin letters of Peter Damian. . Washington: Washington Catholich University of America Press.

Gaya MLA

S., Petrus, Damianus,. "Letters 151-180. Translated by Owen J. Blum & Irven M. Resnick. : Latin letters of Peter Damian. ". Washington: Washington Catholich University of America Press, 2005. Buku.