Roberts, R. R. A., & Kraynak, J. C. (2008). Walk like a giant, sell like a madman: America's #1 salesman shows you how to sell anything (2nd ed.). John Wiley & Sons.
Chicago Style (17th ed.) CitationRoberts, Ralph R Author, and Joe Contributor Kraynak. Walk like a Giant, Sell like a Madman: America's #1 Salesman Shows You How to Sell Anything. 2nd ed. [Place of publication not identified]: John Wiley & Sons, 2008.
MLA (9th ed.) CitationRoberts, Ralph R Author, and Joe Contributor Kraynak. Walk like a Giant, Sell like a Madman: America's #1 Salesman Shows You How to Sell Anything. 2nd ed. John Wiley & Sons, 2008.
Warning: These citations may not always be 100% accurate.