APA (7th ed.) Citation

Patterson, K., Switzler, A., McMillan, R., & Grenny, J. Crucial Conversations: Tools for Talking When Stakes Are High.

Chicago Style (17th ed.) Citation

Patterson, Kerry, Al Switzler, Ron McMillan, and Joseph Grenny. Crucial Conversations: Tools for Talking When Stakes Are High.

MLA (8th ed.) Citation

Patterson, Kerry, et al. Crucial Conversations: Tools for Talking When Stakes Are High.