Cita APA (7th ed.)

Krugman, P. (2009). The return of depression economics and the crisis of 2008. W. W. Norton & Company.

Cita Chicago (17th ed.)

Krugman, Paul. The Return of Depression Economics and the Crisis of 2008. New York: W. W. Norton & Company, 2009.

Cita MLA (9th ed.)

Krugman, Paul. The Return of Depression Economics and the Crisis of 2008. W. W. Norton & Company, 2009.