APA (7th ed.) Citation

Northup, S., & Fernandez, P. J. (2013). Twelve years a slave (Unabridged.). Recorded Books Inc..

Chicago Style (17th ed.) Citation

Northup, Solomon, and Peter Jay Fernandez. Twelve Years a Slave. Unabridged. Prince Frederick: Recorded Books Inc., 2013.

MLA (8th ed.) Citation

Northup, Solomon, and Peter Jay Fernandez. Twelve Years a Slave. Unabridged. Recorded Books Inc., 2013.

Warning: These citations may not always be 100% accurate.