APA (7th ed.) Citation

Sneath, P. H. A. (1973). Numerical taxonomy: The principles and practice of numerical classification. W. H. Freeman.

Chicago Style (17th ed.) Citation

Sneath, P. H. A. Numerical Taxonomy: The Principles and Practice of Numerical Classification. San Francisco: W. H. Freeman, 1973.

MLA (9th ed.) Citation

Sneath, P. H. A. Numerical Taxonomy: The Principles and Practice of Numerical Classification. W. H. Freeman, 1973.