APA (7th ed.) Citation

Olbermann, K. (2006). The worst person in the world: And 202 strong contenders. John Wiley and Sons,Inc.

Chicago Style (17th ed.) Citation

Olbermann, Keith. The Worst Person in the World: And 202 Strong Contenders. Hoboken: John Wiley and Sons,Inc, 2006.

MLA (9th ed.) Citation

Olbermann, Keith. The Worst Person in the World: And 202 Strong Contenders. John Wiley and Sons,Inc, 2006.

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