APA (7th ed.) Citation

Keller, P. A. (2011). Six sigma demystified (2nd ed.). McGraw-Hill Education LLC..

Chicago Style (17th ed.) Citation

Keller, Paul A. Six Sigma Demystified. 2nd ed. New York, N.Y.: McGraw-Hill Education LLC., 2011.

MLA (9th ed.) Citation

Keller, Paul A. Six Sigma Demystified. 2nd ed. McGraw-Hill Education LLC., 2011.