APA (7th ed.) Citation

Welkowitz, J., Cohen, B. H., & Ewen, R. B. (2006). Introductory statistics for the behavioral sciences (6th ed.). John Wiley.

Chicago Style (17th ed.) Citation

Welkowitz, Joan, Barry H. Cohen, and Robert B. Ewen. Introductory Statistics for the Behavioral Sciences. 6th ed. New York: John Wiley, 2006.

MLA (8th ed.) Citation

Welkowitz, Joan, et al. Introductory Statistics for the Behavioral Sciences. 6th ed. John Wiley, 2006.