APA (7th ed.) Citation

Sellin, T. (1976). Slavery and the penal system (Revised fortieth anniversary edition.). Quid Pro Books.

Chicago Style (17th ed.) Citation

Sellin, Thorsten. Slavery and the Penal System. Revised fortieth anniversary edition. New Orleans, Louisiana: Quid Pro Books, 1976.

MLA (9th ed.) Citation

Sellin, Thorsten. Slavery and the Penal System. Revised fortieth anniversary edition. Quid Pro Books, 1976.

Warning: These citations may not always be 100% accurate.