APA (7th ed.) Citation

Gygi, C., & Williams, B. (2012). Six Sigma For Dummies, 2nd Edition (1st edition.). For Dummies.

Chicago Style (17th ed.) Citation

Gygi, Craig, and Bruce Williams. Six Sigma For Dummies, 2nd Edition. 1st edition. For Dummies, 2012.

MLA (9th ed.) Citation

Gygi, Craig, and Bruce Williams. Six Sigma For Dummies, 2nd Edition. 1st edition. For Dummies, 2012.

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