Cita APA (7a ed.)

Farrell, G., & Clark, K. (2004). What does the world spend on criminal justice. HEUNI papers. doi:10.15496/publikation-24405

Cita Chicago Style (17a ed.)

Farrell, Graham, y Ken Clark. "What Does the World Spend on Criminal Justice." HEUNI Papers 2004. https://doi.org/10.15496/publikation-24405.

Cita MLA (8a ed.)

Farrell, Graham, y Ken Clark. "What Does the World Spend on Criminal Justice." HEUNI Papers, 2004, https://doi.org/10.15496/publikation-24405.