Cita APA (7a ed.)

Gregorio I, P., & Davis, H. (1950). St. Gregory the Great Pastoral care. Newman.

Cita Chicago Style (17a ed.)

Gregorio I, Papa, y Henry Davis. St. Gregory the Great Pastoral Care. Westminster: Newman, 1950.

Cita MLA (9a ed.)

Gregorio I, Papa, y Henry Davis. St. Gregory the Great Pastoral Care. Newman, 1950.