APA (7th ed.) Citation

Elmes, D. G., Kantowitz, B. H., & Roediger, H. L. (2012). Research methods in psychology (9. ed., internat. ed.). Wadsworth Cengage Learning.

Chicago Style (17th ed.) Citation

Elmes, David G., Barry H. Kantowitz, and Henry L. Roediger. Research Methods in Psychology. 9. ed., internat. ed. [Belmont, Calif.]: Wadsworth Cengage Learning, 2012.

MLA (9th ed.) Citation

Elmes, David G., et al. Research Methods in Psychology. 9. ed., internat. ed. Wadsworth Cengage Learning, 2012.