Cita APA (7a ed.)

Roberts, R. R., & Kraynak, J. (2008). Walk like a giant, sell like a madman: America's #1 salesman shows you how to sell anything! (2nd ed.). John Wiley & Sons.

Cita Chicago Style (17a ed.)

Roberts, Ralph R., y Joe Kraynak. Walk like a Giant, Sell like a Madman: America's #1 Salesman Shows You How to Sell Anything! 2nd ed. Hoboken, N.J.: John Wiley & Sons, 2008.

Cita MLA (8a ed.)

Roberts, Ralph R., y Joe 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.