APA

Sokal R. R., Rohlf J. F., . (1969). Biometry : the principles and practice of statistics in biological research. San Francisco: W. H. Freeman and Company.

Chicago

Sokal Robert R, Rohlf James F, . 1969. Biometry : the principles and practice of statistics in biological research. San Francisco: W. H. Freeman and Company.

Harvard

Sokal R. R., Rohlf J. F., . (1969). Biometry : the principles and practice of statistics in biological research. San Francisco: W. H. Freeman and Company.

MLA

Sokal Robert R, Rohlf James F, . Biometry : the principles and practice of statistics in biological research. San Francisco: W. H. Freeman and Company. 1969.