Cita APA (7a ed.)

Karlén, H. (2011). The commercial sexual exploitation of children. Jure.

Cita Chicago Style (17a ed.)

Karlén, Helena. The Commercial Sexual Exploitation of Children. Stockholm: Jure, 2011.

Cita MLA (8a ed.)

Karlén, Helena. The Commercial Sexual Exploitation of Children. Jure, 2011.