Cita APA (7th ed.)
Leo I, P., Freeland, J. P., & Conway, A. J. (1995). Sermons. Catholic University of America Press.
Cita Chicago (17th ed.)
Leo I, Pope, Jane Patricia Freeland, i Agnes Josephine Conway. Sermons. Washington, D.C.: Catholic University of America Press, 1995.
Cita MLA (9th ed.)
Leo I, Pope, et al. Sermons. Catholic University of America Press, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.