Cita APA (7th ed.)

Kouzes, J. M., & Posner, B. Z. (2013). Finding the courage to lead. Leadership Challenge.

Cita Chicago (17th ed.)

Kouzes, James M., i Barry Z. Posner. Finding the Courage to Lead. San Francisco, Calif.: Leadership Challenge, 2013.

Cita MLA (9th ed.)

Kouzes, James M., i Barry Z. Posner. Finding the Courage to Lead. Leadership Challenge, 2013.