Citazione Stile APA (7a Edizione)

DuPrau, J. (2003). The city of ember (First edition.). Random House.

Citazione stile Chigago Style (17a edizione)

DuPrau, Jeanne. The City of Ember. First edition. New York: Random House, 2003.

Citatione MLA (9a ed.)

DuPrau, Jeanne. The City of Ember. First edition. Random House, 2003.