APA (7th ed.) Citation

Kouzes, Peters, & Posner. (1993). Credibility: How leaders gain and lose it, why people demand it. Jossey-Bass.

Chicago Style (17th ed.) Citation

Kouzes, Peters, and Posner. Credibility: How Leaders Gain and Lose It, Why People Demand It. San Francisco: Jossey-Bass, 1993.

MLA (8th ed.) Citation

Kouzes, et al. Credibility: How Leaders Gain and Lose It, Why People Demand It. Jossey-Bass, 1993.