Cita APA (7a ed.)

Cyril, S., & McEnerney, J. I. (1987). Letters 51-110. Catholic University of America Press.

Cita Chicago Style (17a ed.)

Cyril, Saint, y John I. McEnerney. Letters 51-110. Washington, D.C.: Catholic University of America Press, 1987.

Cita MLA (8a ed.)

Cyril, Saint, y John I. McEnerney. Letters 51-110. Catholic University of America Press, 1987.