Statistical power analysis for the behavioral sciences

MLA

Cohen, Jacob. Statistical Power Analysis for the Behavioral Sciences. 2nd ed. Hillsdale, N.J.: L. Erlbaum Associates, 1988.

APA

Cohen, J. (1988). Statistical power analysis for the behavioral sciences. 2nd ed. Hillsdale, N.J.: L. Erlbaum Associates.

Chicago

Cohen, Jacob, Statistical Power Analysis for the Behavioral Sciences. 2nd ed. Hillsdale, N.J.: L. Erlbaum Associates, 1988.