APA

Sokal R. R., Rohlf F. J., . (2003). Biometry: The principles and practice of statistics in biological research. New York: W. H. Freeman and Company.

Chicago

Sokal Robert R, Rohlf F James, . 2003. Biometry: The principles and practice of statistics in biological research. New York: W. H. Freeman and Company.

Harvard

Sokal R. R., Rohlf F. J., . (2003). Biometry: The principles and practice of statistics in biological research. New York: W. H. Freeman and Company.

MLA

Sokal Robert R, Rohlf F James, . Biometry: The principles and practice of statistics in biological research. New York: W. H. Freeman and Company. 2003.