APA način citiranja (7. izdanje)

Sky, T. (2011). The National Road and the difficult path to sustainable national investment. University of Delaware Press.

Čikaški stil citiranja (17. izdanje)

Sky, Theodore. The National Road and the Difficult Path to Sustainable National Investment. Newark: University of Delaware Press, 2011.

MLA način citiranja (9. izdanje)

Sky, Theodore. The National Road and the Difficult Path to Sustainable National Investment. University of Delaware Press, 2011.