Cita APA

Karp, C. L., Bergtrorm, S. C., & Butler, T. L. (1990). Activity manual for adolescents. London: SAGE Pub.

Chicago Style Citation

Karp, Cheryl L., Sage C. Bergtrorm, i Traci L. Butler. Activity Manual for Adolescents. London: SAGE Pub, 1990.

Cita MLA

Karp, Cheryl L., Sage C. Bergtrorm, i Traci L. Butler. Activity Manual for Adolescents. London: SAGE Pub, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.