Citazione Stile APA (7a Edizione)

Kaufman, L., & Rousseeuw, P. J. (1990). Finding groups in data: An introduction to cluster analysis. John Wiley.

Citazione stile Chigago Style (17a edizione)

Kaufman, Leonard, e Peter J. Rousseeuw. Finding Groups in Data: An Introduction to Cluster Analysis. Nueva York: John Wiley, 1990.

Citatione MLA (9a ed.)

Kaufman, Leonard, e Peter J. Rousseeuw. Finding Groups in Data: An Introduction to Cluster Analysis. John Wiley, 1990.