Cita APA (7a ed.)

Gregorio I, . P., & Davis, H. (1950). St. Gregory, the great pastoral care. The newman press.

Cita Chicago Style (17a ed.)

Gregorio I, Papa, y Henry Davis. St. Gregory, the Great Pastoral Care. Westminster (Maryland): The newman press, 1950.

Cita MLA (9a ed.)

Gregorio I, Papa, y Henry Davis. St. Gregory, the Great Pastoral Care. The newman press, 1950.