Cita APA (7a ed.)

Kouzes, J. M., & Posner, B. Z. (2007). The leadership challenge (Fourth edition.). Jossey-Bass, a Wiley imprint.

Cita Chicago Style (17a ed.)

Kouzes, James M., y Barry Z. Posner. The Leadership Challenge. Fourth edition. San Francisco, CA: Jossey-Bass, a Wiley imprint, 2007.

Cita MLA (9a ed.)

Kouzes, James M., y Barry Z. Posner. The Leadership Challenge. Fourth edition. Jossey-Bass, a Wiley imprint, 2007.