APA (7th ed.) Citation

Kouzes, J. M., & Posner. (2003). The leadership challenge journal. Jossey-Bass.

Chicago Style (17th ed.) Citation

Kouzes, James M., and Posner. The Leadership Challenge Journal. San Francisco: Jossey-Bass, 2003.

MLA (8th ed.) Citation

Kouzes, James M., and Posner. The Leadership Challenge Journal. Jossey-Bass, 2003.