Cita APA (7th ed.)

Sokal R R. (1969). Biometry The principles and practices of statistics in biological research. W.H. Freeman and Company.

Cita Chicago (17th ed.)

Sokal R R. Biometry The Principles and Practices of Statistics in Biological Research. San Francisco, California: W.H. Freeman and Company, 1969.

Cita MLA (9th ed.)

Sokal R R. Biometry The Principles and Practices of Statistics in Biological Research. W.H. Freeman and Company, 1969.