Citazione Stile APA (7a Edizione)

Kouzes, J. M., & Posner, B. Z. (2010). The leadership challenge (3rd.). Wiley India (P) Ltd.

Citazione stile Chigago Style (17a edizione)

Kouzes, James M., e Barry Z. Posner. The Leadership Challenge. 3rd. New Delhi: Wiley India (P) Ltd, 2010.

Citatione MLA (9a ed.)

Kouzes, James M., e Barry Z. Posner. The Leadership Challenge. 3rd. Wiley India (P) Ltd, 2010.