Cita APA (7a ed.)

Kreutz, B. M. (1991). Before the Normans: Southern Italy in the Ninth and Tenth Centuries. University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Kreutz, Barbara M. Before the Normans: Southern Italy in the Ninth and Tenth Centuries. Philadelphia: University of Pennsylvania Press, 1991.

Cita MLA (8a ed.)

Kreutz, Barbara M. Before the Normans: Southern Italy in the Ninth and Tenth Centuries. University of Pennsylvania Press, 1991.