APA (7th ed.) Citation

Bernstein, D. A., Penner, L. A., & Roy, E. J. (2012). Psychology (9th Ed.). Wadsworth, Cengage Learning.

Chicago Style (17th ed.) Citation

Bernstein, Douglas A., Louis A. Penner, and Edward J. Roy. Psychology. 9th Ed. Belmont, CA: Wadsworth, Cengage Learning, 2012.

MLA (9th ed.) Citation

Bernstein, Douglas A., et al. Psychology. 9th Ed. Wadsworth, Cengage Learning, 2012.