Style de citation APA (7e éd.)

Norman, D. (1999). Siena and the Virgin: Art and politics in a late medieval city state. Yale University Press.

Style de citation Chicago (17e éd.)

Norman, Diana. Siena and the Virgin: Art and Politics in a Late Medieval City State. New Haven London: Yale University Press, 1999.

Style de citation MLA (8e éd.)

Norman, Diana. Siena and the Virgin: Art and Politics in a Late Medieval City State. Yale University Press, 1999.