APA (7th ed.) Citation

Hertz, N. (2004). I.O.U.: The debt threat and why we must defuse it. Harper Perennial.

Chicago Style (17th ed.) Citation

Hertz, Noreena. I.O.U.: The Debt Threat and Why We Must Defuse It. London: Harper Perennial, 2004.

MLA (9th ed.) Citation

Hertz, Noreena. I.O.U.: The Debt Threat and Why We Must Defuse It. Harper Perennial, 2004.