APA (7th ed.) Citation

Brooks, W. T., & Brooks, W. P. G. (2009). Playing bigger than you are: How to sell big accounts even if you're David in a world of Goliaths. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Brooks, William T., and William P. G. Brooks. Playing Bigger than You Are: How to Sell Big Accounts even if You're David in a World of Goliaths. Hoboken, N.J.: John Wiley & Sons, 2009.

MLA (9th ed.) Citation

Brooks, William T., and William P. G. Brooks. Playing Bigger than You Are: How to Sell Big Accounts even if You're David in a World of Goliaths. John Wiley & Sons, 2009.

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