APA (7th ed.) Citation

Krugman, P. (2000). The return of depression economics. Penguin Books.

Chicago Style (17th ed.) Citation

Krugman, Paul. The Return of Depression Economics. London: Penguin Books, 2000.

MLA (9th ed.) Citation

Krugman, Paul. The Return of Depression Economics. Penguin Books, 2000.

Warning: These citations may not always be 100% accurate.