Citazione Stile APA (7a Edizione)
Fisher, R., & Ury, C. W. (1981). Getting to yes: Negotiating agreement without giving in (ed.). Penguin Books.
Citazione stile Chigago Style (17a edizione)
Fisher, Roger, e C. William Ury. Getting to Yes: Negotiating Agreement Without Giving in. ed. New York: Penguin Books, 1981.
Citatione MLA (9a ed.)
Fisher, Roger, e C. William Ury. Getting to Yes: Negotiating Agreement Without Giving in. ed. Penguin Books, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.