APA (7th ed.) Zitazioa

Gladwell, M. (2009). The tipping point: How little things can make a big difference. Abacus.

Chicago Style (17th ed.) Zitazioa

Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. London: Abacus, 2009.

MLA (9th ed.) Zitazioa

Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. Abacus, 2009.