APA (7th ed.) Citation

Cooper, S. F., & Mertens, T. R. (1969). Probability and chi-square for biology students. Educational Methods.

Chicago Style (17th ed.) Citation

Cooper, Sandra F., and Thomas R. Mertens. Probability and Chi-square for Biology Students. Chicago: Educational Methods, 1969.

MLA (9th ed.) Citation

Cooper, Sandra F., and Thomas R. Mertens. Probability and Chi-square for Biology Students. Educational Methods, 1969.