APA Style

Aron, A. et al (2008). Statistics for the behavioral and social sciences : a brief course. Fourth Edition (Fourth Edition). Upper Saddle River, N.J.: Pearson/Prentice Hall.

MLA Style

Aron, Arthur. et al. "Statistics for the behavioral and social sciences : a brief course. Fourth Edition". Fourth Edition Upper Saddle River, N.J.: Pearson/Prentice Hall, 2008. Text.