Cita APA (7a ed.)

Leo I, P., Conway, A. J., & Freeland, J. P. (1995). Sermons. Catholic University of America Press.

Cita Chicago Style (17a ed.)

Leo I, Pope, Agnes Josephine Conway, y Jane Patricia Freeland. Sermons. Washington, D.C.: Catholic University of America Press, 1995.

Cita MLA (8a ed.)

Leo I, Pope, et al. Sermons. Catholic University of America Press, 1995.