APA (7th ed.) Citation

Welkowitz, J., Cohen, J., & Ewen, R. B. (1982). Introductory statistics for the behavioral sciences (3rd ed.). Academic Press.

Chicago Style (17th ed.) Citation

Welkowitz, Joan, Jacob Cohen, and Robert B. Ewen. Introductory Statistics for the Behavioral Sciences. 3rd ed. New York: Academic Press, 1982.

MLA (9th ed.) Citation

Welkowitz, Joan, et al. Introductory Statistics for the Behavioral Sciences. 3rd ed. Academic Press, 1982.