Cita APA (7th ed.)

Sokal, R. R., & Sneath, P. H. (1963). Principles of numerical taxonomy. W. H. Freeman.

Cita Chicago (17th ed.)

Sokal, Robert R., i Peter H. Sneath. Principles of Numerical Taxonomy. San Francisco, USA: W. H. Freeman, 1963.

Cita MLA (9th ed.)

Sokal, Robert R., i Peter H. Sneath. Principles of Numerical Taxonomy. W. H. Freeman, 1963.