Cita APA (7a ed.)

Walmsley, R. (1999). World prison population list. Research findings, 88, 1-6.

Cita Chicago Style (17a ed.)

Walmsley, Roy. "World Prison Population List." Research Findings 88 (1999): 1-6.

Cita MLA (8a ed.)

Walmsley, Roy. "World Prison Population List." Research Findings, vol. 88, 1999, pp. 1-6.