APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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