Cita APA (7a ed.)

Gregory I, P., & DelCogliano, M. (2012). Gregory the Great: On the Song of Songs. Liturgical Press.

Cita Chicago Style (17a ed.)

Gregory I, Pope, y Mark DelCogliano. Gregory the Great: On the Song of Songs. Collegeville, Minn.: Liturgical Press, 2012.

Cita MLA (8a ed.)

Gregory I, Pope, y Mark DelCogliano. Gregory the Great: On the Song of Songs. Liturgical Press, 2012.