Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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