APA (7th ed.) Citation

Bellman, G. M., & Ryan. (2009). Extraordinary groups: How ordinary teams achieve amazing results. Jossey-Bass.

Chicago Style (17th ed.) Citation

Bellman, Geoffrey M., and Ryan. Extraordinary Groups: How Ordinary Teams Achieve Amazing Results. San Francisco, Calif: Jossey-Bass, 2009.

MLA (8th ed.) Citation

Bellman, Geoffrey M., and Ryan. Extraordinary Groups: How Ordinary Teams Achieve Amazing Results. Jossey-Bass, 2009.