APA (7th ed.) Citation

ZINKGRAF & Kutz. (2006). Six Sigma: The first ninety days. Prentice Hall.

Chicago Style (17th ed.) Citation

ZINKGRAF and Kutz. Six Sigma: The First Ninety Days. New Jersey: Prentice Hall, 2006.

MLA (9th ed.) Citation

ZINKGRAF and Kutz. Six Sigma: The First Ninety Days. Prentice Hall, 2006.

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