APA (7th ed.) Citation

Farrington, D., & Welsh, B. (2006). A half century of randomized experiments on crime and justice. Crime and justice, 34, 55-132.

Chicago Style (17th ed.) Citation

Farrington, David, and Brandon Welsh. "A Half Century of Randomized Experiments on Crime and Justice." Crime and Justice 34 (2006): 55-132.

MLA (9th ed.) Citation

Farrington, David, and Brandon Welsh. "A Half Century of Randomized Experiments on Crime and Justice." Crime and Justice, vol. 34, 2006, pp. 55-132.