Dixon, M., & Adamson, B. (2011). The challenger sale: Taking control of the customer conversation. Portfolio/Penguin.
Chicago Style (17th ed.) CitationDixon, Matthew, and Brent Adamson. The Challenger Sale: Taking Control of the Customer Conversation. New York: Portfolio/Penguin, 2011.
MLA (9th ed.) CitationDixon, Matthew, and Brent Adamson. The Challenger Sale: Taking Control of the Customer Conversation. Portfolio/Penguin, 2011.
Warning: These citations may not always be 100% accurate.