Cita APA (7a ed.)
Northup, S., Eakin, S. L., & Logsdon, J. (1996). Twelve years a slave (Louisiana pbk. ed., 1975.). Louisiana State University Press.
Cita Chicago Style (17a ed.)
Northup, Solomon, Sue L. Eakin, y Joseph Logsdon. Twelve Years a Slave. Louisiana pbk. ed., 1975. Baton Rouge: Louisiana State University Press, 1996.
Cita MLA (9a ed.)
Northup, Solomon, et al. Twelve Years a Slave. Louisiana pbk. ed., 1975. Louisiana State University Press, 1996.
Precaución: Estas citas no son 100% exactas.