APA (7th ed.) Citation
Kouzes, J. M., & Posner, B. Z. (1990). <The> Leadership Challenge: How to Get Extraordinary Things Done in Organizations (1. ed.). Jossey-Bass Pub.
Chicago Style (17th ed.) Citation
Kouzes, James M., and Barry Z. Posner. <The> Leadership Challenge: How to Get Extraordinary Things Done in Organizations. 1. ed. San Francisco: Jossey-Bass Pub, 1990.
MLA (9th ed.) Citation
Kouzes, James M., and Barry Z. Posner. <The> Leadership Challenge: How to Get Extraordinary Things Done in Organizations. 1. ed. Jossey-Bass Pub, 1990.
Warning: These citations may not always be 100% accurate.