Citazione APA

DuPrau, J., & Dallas Middaugh. (2012). The city of ember: The graphic novel. New York: Random House.

Stile di citazione Chicago

DuPrau, Jeanne, e Dallas Middaugh. The City of Ember: The Graphic Novel. New York: Random House, 2012.

Citazione MLA

DuPrau, Jeanne, e Dallas Middaugh. The City of Ember: The Graphic Novel. New York: Random House, 2012.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.