APA (7th ed.) Citation

Keller, P. A. (2011). Six Sigma demystified (Second edition.). McGraw-Hill Education.

Chicago Style (17th ed.) Citation

Keller, Paul A. Six Sigma Demystified. Second edition. New York: McGraw-Hill Education, 2011.

MLA (9th ed.) Citation

Keller, Paul A. Six Sigma Demystified. Second edition. McGraw-Hill Education, 2011.