APA (7th ed.) Citation

Fisher, R., & Shapiro, D. (2006). Beyond reason: Using emotions as you negotiate. Penguin.

Chicago Style (17th ed.) Citation

Fisher, Roger, and Daniel Shapiro. Beyond Reason: Using Emotions as You Negotiate. New York [u.a.]: Penguin, 2006.

MLA (9th ed.) Citation

Fisher, Roger, and Daniel Shapiro. Beyond Reason: Using Emotions as You Negotiate. Penguin, 2006.