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.