APA Style

Kouzes, J, M. (1995). The leadership challenge : how to keep getting extraordinary things done in organizations / James M. Kouzes, Barry Z. Posner. . San Francisco: Jossey-Bass Publishers.

MLA Style

Kouzes, James, M.. "The leadership challenge : how to keep getting extraordinary things done in organizations / James M. Kouzes, Barry Z. Posner.". San Francisco: Jossey-Bass Publishers, 1995. Text.