APA (7th ed.) Citation

Welkowitz, J., & Ewen, R. B. ,. (1971). Introductory statistics for the behavioral sciences. Academic Press.

Chicago Style (17th ed.) Citation

Welkowitz, Joan, and Robert B. ,Cohen Ewen. Introductory Statistics for the Behavioral Sciences. New York: Academic Press, 1971.

MLA (9th ed.) Citation

Welkowitz, Joan, and Robert B. ,Cohen Ewen. Introductory Statistics for the Behavioral Sciences. Academic Press, 1971.