APA (7th ed.) Citation

Cyril, S. (2009). Festal Letters 1-12. Catholic University of America Press.

Chicago Style (17th ed.) Citation

Cyril, Saint. Festal Letters 1-12. Washington, D.C.: Catholic University of America Press, 2009.

MLA (8th ed.) Citation

Cyril, Saint. Festal Letters 1-12. Catholic University of America Press, 2009.