Cita APA (7a ed.)

Treadgold, D. W. (1990). Freedom: A History. New York university press.

Cita Chicago Style (17a ed.)

Treadgold, Donald W. Freedom: A History. New York: New York university press, 1990.

Cita MLA (8a ed.)

Treadgold, Donald W. Freedom: A History. New York university press, 1990.