Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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