APA (7th ed.) Citation

Fisher, R., Patton, B., & Ury, W. (1991). Getting to yes: Negitiating an agreement without giving in (Second edition.). Business Books Limited.

Chicago Style (17th ed.) Citation

Fisher, Roger, Bruce Patton, and William Ury. Getting to Yes: Negitiating an Agreement Without Giving in. Second edition. London: Business Books Limited, 1991.

MLA (9th ed.) Citation

Fisher, Roger, et al. Getting to Yes: Negitiating an Agreement Without Giving in. Second edition. Business Books Limited, 1991.