APA (7th ed.) Citation

Walmsley, R. (2010). Trends in world prison population. International statistics on crime and justice, 68, 153-165.

Chicago Style (17th ed.) Citation

Walmsley, Roy. "Trends in World Prison Population." International Statistics on Crime and Justice 68 (2010): 153-165.

MLA (9th ed.) Citation

Walmsley, Roy. "Trends in World Prison Population." International Statistics on Crime and Justice, vol. 68, 2010, pp. 153-165.