Cita APA (7a ed.)

Kouzes, J. M., & Posner, B. Z. (2007). The leadership challenge (4th ed.). Jossey-Bass.

Cita Chicago Style (17a ed.)

Kouzes, James M., y Barry Z. Posner. The Leadership Challenge. 4th ed. San Francisco, USA: Jossey-Bass, 2007.

Cita MLA (9a ed.)

Kouzes, James M., y Barry Z. Posner. The Leadership Challenge. 4th ed. Jossey-Bass, 2007.