APA(7版)引用形式
Northup, S., Eakin, S. L., & Logsdon, J. (1996). Twelve years a slave (Louisiana pbk. ed., 1975.). Louisiana State University Press.
Chicagoスタイル(17版)引用形式
Northup, Solomon, Sue L. Eakin, , Joseph Logsdon. Twelve Years a Slave. Louisiana pbk. ed., 1975. Baton Rouge: Louisiana State University Press, 1996.
MLA(9版)引用形式
Northup, Solomon, et al. Twelve Years a Slave. Louisiana pbk. ed., 1975. Louisiana State University Press, 1996.
警告: この引用は必ずしも正確ではありません.