Huggins, M. K., Haritos-Fatouros, M., & Zimbardo, P. G. (2002). Violence workers: Police torturers and murderers reconstruct Brazilian atrocities. University of California Press.

Huggins, Martha Knisely, Mika Haritos-Fatouros, and Philip G. Zimbardo. Violence Workers: Police Torturers and Murderers Reconstruct Brazilian Atrocities. Berkeley: University of California Press, 2002.

Huggins, Martha Knisely, et al. Violence Workers: Police Torturers and Murderers Reconstruct Brazilian Atrocities. University of California Press, 2002.