Wickham, C. (1981). Early medieval Italy: Central power and local society, 400-1000. MacMillan.
Cita Chicago Style (17a ed.)Wickham, Chris. Early Medieval Italy: Central Power and Local Society, 400-1000. London [etc.]: MacMillan, 1981.
Cita MLA (9a ed.)Wickham, Chris. Early Medieval Italy: Central Power and Local Society, 400-1000. MacMillan, 1981.
Precaución: Estas citas no son 100% exactas.