Cita APA (7a ed.)

Roberts, C., & Jowell, R. (2008). Attitude measurement (1st published.). Sage.

Cita Chicago Style (17a ed.)

Roberts, Caroline, y Roger Jowell. Attitude Measurement. 1st published. Los Angeles [etc.]: Sage, 2008.

Cita MLA (9a ed.)

Roberts, Caroline, y Roger Jowell. Attitude Measurement. 1st published. Sage, 2008.