APA (7th ed.) Citation

Keller Gary. (2013). The one thing: The surprisingly simple truth behind extraordinary results. Protfolio Publications.

Chicago Style (17th ed.) Citation

Keller Gary. The One Thing: The Surprisingly Simple Truth Behind Extraordinary Results. London: Protfolio Publications, 2013.

MLA (9th ed.) Citation

Keller Gary. The One Thing: The Surprisingly Simple Truth Behind Extraordinary Results. Protfolio Publications, 2013.

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