Citazione APA

Breakwell, G. M., Hammond, S., & Fife-Schaw, C. (1995). Research methods in psychology. Sage Publications.

Stile di citazione Chicago

Breakwell, Glynis M., Sean Hammond, e Chris Fife-Schaw. Research Methods in Psychology. London ; Thousand Oaks, Calif.: Sage Publications, 1995.

Citazione MLA

Breakwell, Glynis M., et al. Research Methods in Psychology. Sage Publications, 1995.