APA (7th ed.) Citation

Ertel 1960 & Gordon 1956. (2007). The point of the deal: How to negotiate when "yes" is not enough. Harvard Business School Press.

Chicago Style (17th ed.) Citation

Ertel 1960 and Gordon 1956. The Point of the Deal: How to Negotiate When "Yes" Is Not Enough. Boston: Harvard Business School Press, 2007.

MLA (9th ed.) Citation

Ertel 1960 and Gordon 1956. The Point of the Deal: How to Negotiate When "Yes" Is Not Enough. Harvard Business School Press, 2007.

Warning: These citations may not always be 100% accurate.