APA (7th ed.) Citation

Sokal, R. R., & Rohlf, F. J. (1981). Biometry: The principles and practice of statistics in biological research (2d ed.). W. H. Freeman.

Chicago Style (17th ed.) Citation

Sokal, Robert R., and F. James Rohlf. Biometry: The Principles and Practice of Statistics in Biological Research. 2d ed. San Francisco: W. H. Freeman, 1981.

MLA (9th ed.) Citation

Sokal, Robert R., and F. James Rohlf. Biometry: The Principles and Practice of Statistics in Biological Research. 2d ed. W. H. Freeman, 1981.