Cita APA (7a ed.)

Cyril, S., O'Keefe, J. J., & Amidon, P. R. (2014). Festal Letters 13-30. Project Muse.

Cita Chicago Style (17a ed.)

Cyril, Saint, John J. O'Keefe, y Philip R. Amidon. Festal Letters 13-30. Baltimore, Maryland: Project Muse, 2014.

Cita MLA (8a ed.)

Cyril, Saint, et al. Festal Letters 13-30. Project Muse, 2014.