APA (7th ed.) Citation

Blanchard, K. H., & Miller, M. (2007). The secret: What great leaders know-and do. Berrett-Koehler Publishers.

Chicago Style (17th ed.) Citation

Blanchard, Kenneth H., and Mark Miller. The Secret: What Great Leaders Know-and Do. San Francisco: Berrett-Koehler Publishers, 2007.

MLA (8th ed.) Citation

Blanchard, Kenneth H., and Mark Miller. The Secret: What Great Leaders Know-and Do. Berrett-Koehler Publishers, 2007.