APA (7th ed.) Citation

Reichheld. (2011). The ultimate question 2.0: How net promoter companies thrive in a customer-driven world. Boston, Mass.: Harvard Business Press, 2011.

Chicago Style (17th ed.) Citation

Reichheld. The Ultimate Question 2.0: How Net Promoter Companies Thrive in a Customer-driven World. Boston, Mass.: Boston, Mass.: Harvard Business Press, 2011, 2011.

MLA (8th ed.) Citation

Reichheld. The Ultimate Question 2.0: How Net Promoter Companies Thrive in a Customer-driven World. Boston, Mass.: Harvard Business Press, 2011, 2011.