Cita APA (7a ed.)

Hartigan, J. A. (1975). Clustering algorithms (1st edition.). Wiley.

Cita Chicago Style (17a ed.)

Hartigan, John A. Clustering Algorithms. 1st edition. New York: Wiley, 1975.

Cita MLA (8a ed.)

Hartigan, John A. Clustering Algorithms. 1st edition. Wiley, 1975.