Cita APA (7a ed.)

Howorth, H. H. (1912). Saint Gregory the Great. John Murray, Albemarle Street, W.

Cita Chicago Style (17a ed.)

Howorth, Henry H. Saint Gregory the Great. London: John Murray, Albemarle Street, W, 1912.

Cita MLA (9a ed.)

Howorth, Henry H. Saint Gregory the Great. John Murray, Albemarle Street, W, 1912.