Cita APA (7a ed.)

Nash, G. B. (1991). Freedom by degrees: Emancipation in Pennsylvania and its aftermath. Oxford University Press.

Cita Chicago Style (17a ed.)

Nash, Gary B. Freedom by Degrees: Emancipation in Pennsylvania and Its Aftermath. New York: Oxford University Press, 1991.

Cita MLA (9a ed.)

Nash, Gary B. Freedom by Degrees: Emancipation in Pennsylvania and Its Aftermath. Oxford University Press, 1991.