Burg, B., & Mann, J. D. (2010). Go-givers sell more. Portfolio.
Chicago Style (17th ed.) CitationBurg, Bob, and John David Mann. Go-givers Sell More. New York: Portfolio, 2010.
MLA (9th ed.) CitationBurg, Bob, and John David Mann. Go-givers Sell More. Portfolio, 2010.
Warning: These citations may not always be 100% accurate.