APA (7th ed.) Citation

Hayler & Nichols. (2005). What is six sigma process management? McGraw-Hill.

Chicago Style (17th ed.) Citation

Hayler and Nichols. What Is Six Sigma Process Management? New York: McGraw-Hill, 2005.

MLA (8th ed.) Citation

Hayler and Nichols. What Is Six Sigma Process Management? McGraw-Hill, 2005.