Cita APA (7a ed.)

Breyfogle, F. W. (1999). Implementing Six Sigma: Smarter solutions using statistical methods. John Wiley.

Cita Chicago Style (17a ed.)

Breyfogle, Forrest W. Implementing Six Sigma: Smarter Solutions Using Statistical Methods. New York [etc.]: John Wiley, 1999.

Cita MLA (9a ed.)

Breyfogle, Forrest W. Implementing Six Sigma: Smarter Solutions Using Statistical Methods. John Wiley, 1999.