Cita APA (7a ed.)

Zimring, F. E., & Hawkins, G. (1991). The scale of imprisonment. Univ. of Chicago Press.

Cita Chicago Style (17a ed.)

Zimring, Franklin E., y Gordon Hawkins. The Scale of Imprisonment. Chicago [u.a.]: Univ. of Chicago Press, 1991.

Cita MLA (8a ed.)

Zimring, Franklin E., y Gordon Hawkins. The Scale of Imprisonment. Univ. of Chicago Press, 1991.