Cita APA (7a ed.)

Block, N. M., & Libowitz, A. S. (1983). Recidivism in foster care. Child Welfare League of America.

Cita Chicago Style (17a ed.)

Block, Norman M., y Arlene S. Libowitz. Recidivism in Foster Care. New York: Child Welfare League of America, 1983.

Cita MLA (9a ed.)

Block, Norman M., y Arlene S. Libowitz. Recidivism in Foster Care. Child Welfare League of America, 1983.