APA (7th ed.) Citation

Gladwell, M. (2001). The tipping point: How little things can make a big difference (1 st ed.). Back Bay Books.

Chicago Style (17th ed.) Citation

Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. 1 st ed. Boston: Back Bay Books, 2001.

MLA (9th ed.) Citation

Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. 1 st ed. Back Bay Books, 2001.