APA (7e ed.) Bronvermelding
Northup, S., Eakin, S. L., & Logsdon, J. (1996). Twelve years a slave (Louisiana pbk. ed., 1975.). Louisiana State University Press.
Chicago (17e ed.) Bronvermelding
Northup, Solomon, Sue L. Eakin, en Joseph Logsdon. Twelve Years a Slave. Louisiana pbk. ed., 1975. Baton Rouge: Louisiana State University Press, 1996.
MLA (9e ed.) Bronvermelding
Northup, Solomon, et al. Twelve Years a Slave. Louisiana pbk. ed., 1975. Louisiana State University Press, 1996.
Let op: Deze citaties zijn niet altijd 100% accuraat.