Pirenne, H. (1925). Medieval cities: Their origins and the revival of trade. Doubleday & Company.
Cita Chicago Style (17a ed.)Pirenne, Henri. Medieval Cities: Their Origins and the Revival of Trade. Garden City, New York: Doubleday & Company, 1925.
Cita MLA (9a ed.)Pirenne, Henri. Medieval Cities: Their Origins and the Revival of Trade. Doubleday & Company, 1925.
Precaución: Estas citas no son 100% exactas.