Cita APA (7th ed.)

Campbell, W. K., & Sedikides, C. (2000). Among friends?: An examination of friendship and the self-serving bias. The British Psychological Society.

Cita Chicago (17th ed.)

Campbell, W. Keith, i Costantine Sedikides. Among Friends?: An Examination of Friendship and the Self-serving Bias. [Place of publication not identified]: The British Psychological Society, 2000.

Cita MLA (9th ed.)

Campbell, W. Keith, i Costantine Sedikides. Among Friends?: An Examination of Friendship and the Self-serving Bias. The British Psychological Society, 2000.