Cita APA (7a ed.)

Friedman, L. M., & Percival, R. V. (1981). The roots of justice: Crime and punishment in Alameda County, Calif. 1870 - 1910. Univ. of North Carolina Pr.

Cita Chicago Style (17a ed.)

Friedman, Lawrence M., y Robert V. Percival. The Roots of Justice: Crime and Punishment in Alameda County, Calif. 1870 - 1910. Chapel Hill: Univ. of North Carolina Pr, 1981.

Cita MLA (9a ed.)

Friedman, Lawrence M., y Robert V. Percival. The Roots of Justice: Crime and Punishment in Alameda County, Calif. 1870 - 1910. Univ. of North Carolina Pr, 1981.