Gaya APA

St., C, A. (2013). Festal Letters 13-30. Translated by Philip R. Amidon, edited & notes by John J. O'Keefe. : Correspondence. . Washington: Washington Catholic University of America Press.

Gaya MLA

St., Cyrillus, Alexandrinus,. "Festal Letters 13-30. Translated by Philip R. Amidon, edited & notes by John J. O'Keefe. : Correspondence. ". Washington: Washington Catholic University of America Press, 2013. Buku.