Cita APA (7a ed.)

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.