APA (7th ed.) Citation

Breakwell, G. M., Smith, J. A., & Wright, D. B. (2012). Research methods in psychology (4th ed.). Sage.

Chicago Style (17th ed.) Citation

Breakwell, Glynis M., Jonathan A. Smith, and Daniel B. Wright. Research Methods in Psychology. 4th ed. Los Angeles, Calif: Sage, 2012.

MLA (9th ed.) Citation

Breakwell, Glynis M., et al. Research Methods in Psychology. 4th ed. Sage, 2012.