Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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