Cita APA (7a ed.)
Hibbert, C. (1985). Rome, the biography of a city (1st American ed.). W.W. Norton.
Cita Chicago Style (17a ed.)
Hibbert, Christopher. Rome, the Biography of a City. 1st American ed. New York: W.W. Norton, 1985.
Cita MLA (9a ed.)
Hibbert, Christopher. Rome, the Biography of a City. 1st American ed. W.W. Norton, 1985.
Precaución: Estas citas no son 100% exactas.