APA Style

Fisher, Roger, Ury, William, Patton, Bruce. (1991). Getting to Yes : Negotiating agreement without giving in (2nd Ed.). New York: Penguin Books.

Chicago Style

Fisher, Roger, Ury, William, Patton, Bruce. Getting to Yes : Negotiating agreement without giving in. 2nd Ed. New York: Penguin Books, 1991. Text.

MLA Style

Fisher, Roger, Ury, William, Patton, Bruce. Getting to Yes : Negotiating agreement without giving in. 2nd Ed. New York: Penguin Books, 1991. Text.

Turabian Style

Fisher, Roger, Ury, William, Patton, Bruce. Getting to Yes : Negotiating agreement without giving in. 2nd Ed. New York: Penguin Books, 1991. Print.