Cita APA (7a ed.)

Sellin, T. (1976). Slavery and the penal system. Elsevier.

Cita Chicago Style (17a ed.)

Sellin, Thorsten. Slavery and the Penal System. New York [u.a.]: Elsevier, 1976.

Cita MLA (9a ed.)

Sellin, Thorsten. Slavery and the Penal System. Elsevier, 1976.