APA (7th ed.) Citation

Gladwell, M. (2013). David & Goliath. Penguin Books.

Chicago Style (17th ed.) Citation

Gladwell, Malcolm. David & Goliath. New York: Penguin Books, 2013.

MLA (9th ed.) Citation

Gladwell, Malcolm. David & Goliath. Penguin Books, 2013.

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