Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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