Citazione Stile APA (7a Edizione)

Krugman, P. R. (1999). The return of depression economics (First edition.). W.W. Norton.

Citazione stile Chigago Style (17a edizione)

Krugman, Paul R. The Return of Depression Economics. First edition. New York: W.W. Norton, 1999.

Citatione MLA (8a ed.)

Krugman, Paul R. The Return of Depression Economics. First edition. W.W. Norton, 1999.