Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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