Cita APA (7a ed.)

Grenny, J., & Switzler, A. &. P. (2011). Crucial conversations: Tools for talking when stakes are high (Second edition.). McGraw-Hill Education.

Cita Chicago Style (17a ed.)

Grenny, Joseph, y Al & Patterson Switzler. Crucial Conversations: Tools for Talking When Stakes Are High. Second edition. New York, United States of America: McGraw-Hill Education, 2011.

Cita MLA (9a ed.)

Grenny, Joseph, y Al & Patterson Switzler. Crucial Conversations: Tools for Talking When Stakes Are High. Second edition. McGraw-Hill Education, 2011.