Cita APA (7a ed.)

Schill, R. A., & Marcus, D. K. (1998). Incarceration and learned helplessness. International journal of offender therapy and comparative criminology, 42(3), 224-232.

Cita Chicago Style (17a ed.)

Schill, Richard A., y David K. Marcus. "Incarceration and Learned Helplessness." International Journal of Offender Therapy and Comparative Criminology 42, no. 3 (1998): 224-232.

Cita MLA (8a ed.)

Schill, Richard A., y David K. Marcus. "Incarceration and Learned Helplessness." International Journal of Offender Therapy and Comparative Criminology, vol. 42, no. 3, 1998, pp. 224-232.