The tipping point : how little things can make a big difference.

MLA

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

APA

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

Chicago

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