APA (7th ed.) Citation

Gladwell, M. (2009). Outliers: The story of success. Penguin.

Chicago Style (17th ed.) Citation

Gladwell, Malcolm. Outliers: The Story of Success. London: Penguin, 2009.

MLA (9th ed.) Citation

Gladwell, Malcolm. Outliers: The Story of Success. Penguin, 2009.

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