APA (7th ed.) Citation
Nolan, T., & Provost, L. Understanding variation.
Chicago Style (17th ed.) Citation
Nolan, T.W, and L.P Provost. Understanding Variation.
MLA (9th ed.) Citation
Nolan, T.W, and L.P Provost. Understanding Variation.
Warning: These citations may not always be 100% accurate.