Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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