Cita APA (7th ed.)
Logan, C. H. (1990). Private prisons: Cons and pros. Oxford University Press.
Cita Chicago (17th ed.)
Logan, Charles H. Private Prisons: Cons and Pros. New York: Oxford University Press, 1990.
Cita MLA (9th ed.)
Logan, Charles H. Private Prisons: Cons and Pros. Oxford University Press, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.