Cita APA (7a ed.)

Travis, L. F., & Stichman, A. (1997). The state of ISP: Research and policy implications. Federal probation, 61(4), 65-85.

Cita Chicago Style (17a ed.)

Travis, Lawrence F., y Amy Stichman. "The State of ISP: Research and Policy Implications." Federal Probation 61, no. 4 (1997): 65-85.

Cita MLA (8a ed.)

Travis, Lawrence F., y Amy Stichman. "The State of ISP: Research and Policy Implications." Federal Probation, vol. 61, no. 4, 1997, pp. 65-85.