APA (7th ed.) Citation

Blanchard, K. H., & Miller. (2009). The secret: What great leaders know and do (2nd ed.). Berrett-Koehler Publishers.

Chicago Style (17th ed.) Citation

Blanchard, Kenneth H., and Miller. The Secret: What Great Leaders Know and Do. 2nd ed. San Francisco: Berrett-Koehler Publishers, 2009.

MLA (8th ed.) Citation

Blanchard, Kenneth H., and Miller. The Secret: What Great Leaders Know and Do. 2nd ed. Berrett-Koehler Publishers, 2009.