APA (7th ed.) Citation

Gygi, C., & Williams, B. (2012). Six Sigma for dummies (2nd edition.). John Wiley & Sons, Inc.

Chicago Style (17th ed.) Citation

Gygi, Craig, and Bruce Williams. Six Sigma for Dummies. 2nd edition. Hoboken, New Jersey: John Wiley & Sons, Inc, 2012.

MLA (9th ed.) Citation

Gygi, Craig, and Bruce Williams. Six Sigma for Dummies. 2nd edition. John Wiley & Sons, Inc, 2012.