Cita APA (7a ed.)

Cohen, E. (2003). Playing hard at life: A relational approach to treating multiply traumatized adolescents. Analytic Press.

Cita Chicago Style (17a ed.)

Cohen, Etty. Playing Hard at Life: A Relational Approach to Treating Multiply Traumatized Adolescents. Hillsdale, N.J.: Analytic Press, 2003.

Cita MLA (9a ed.)

Cohen, Etty. Playing Hard at Life: A Relational Approach to Treating Multiply Traumatized Adolescents. Analytic Press, 2003.