Cita APA (7a ed.)

Barber, M. (2003). the two cities: Medieval europe 1050-1320 (Second edition.). Routledge.

Cita Chicago Style (17a ed.)

Barber, Malcolm. The Two Cities: Medieval Europe 1050-1320. Second edition. London: Routledge, 2003.

Cita MLA (9a ed.)

Barber, Malcolm. The Two Cities: Medieval Europe 1050-1320. Second edition. Routledge, 2003.

Precaución: Estas citas no son 100% exactas.