APA (7th ed.) Citation

Kouzes, J. M., & Posner, B. Z. (2017). The leadership challenge: How to make extraordinary things happen in organizations (Sixth edition.). John Wiley & Sons, Inc.

Chicago Style (17th ed.) Citation

Kouzes, James M., and Barry Z. Posner. The Leadership Challenge: How to Make Extraordinary Things Happen in Organizations. Sixth edition. Hoboken, New Jersey: John Wiley & Sons, Inc, 2017.

MLA (9th ed.) Citation

Kouzes, James M., and Barry Z. Posner. The Leadership Challenge: How to Make Extraordinary Things Happen in Organizations. Sixth edition. John Wiley & Sons, Inc, 2017.