Citazione Stile APA (7a Edizione)

Krugman, P. (2009). The conscience of a liberal: Reclaiming America from the right. Penguin Books.

Citazione stile Chigago Style (17a edizione)

Krugman, Paul. The Conscience of a Liberal: Reclaiming America from the Right. London: Penguin Books, 2009.

Citatione MLA (8a ed.)

Krugman, Paul. The Conscience of a Liberal: Reclaiming America from the Right. Penguin Books, 2009.