APA (7th ed.) Citation

Fisher, Patton, & Ury. (1991). Getting to yes: Negotiating agreement without giving in (3rd ed.). Peguin Book.

Chicago Style (17th ed.) Citation

Fisher, Patton, and Ury. Getting to Yes: Negotiating Agreement Without Giving in. 3rd ed. New York: Peguin Book, 1991.

MLA (8th ed.) Citation

Fisher, et al. Getting to Yes: Negotiating Agreement Without Giving in. 3rd ed. Peguin Book, 1991.