Cita APA (7th ed.)

Guzzardo, J. J. (1989). Textual history and the Divine comedy. Scripta Humanistica.

Cita Chicago (17th ed.)

Guzzardo, John J. Textual History and the Divine Comedy. Potomac, Md., U.S.A.: Scripta Humanistica, 1989.

Cita MLA (9th ed.)

Guzzardo, John J. Textual History and the Divine Comedy. Scripta Humanistica, 1989.