APA (7th ed.) Citation

Pande, P. S., & Holpp, L. (2002). What is six sigma? McGraw-Hill.

Chicago Style (17th ed.) Citation

Pande, Peter S., and Lawrence Holpp. What Is Six Sigma? New York: McGraw-Hill, 2002.

MLA (9th ed.) Citation

Pande, Peter S., and Lawrence Holpp. What Is Six Sigma? McGraw-Hill, 2002.