APA (7th ed.) Citation

Northup, S. (2013). Twelve years a slave. eStar Books.

Chicago Style (17th ed.) Citation

Northup, Solomon. Twelve Years a Slave. Prineville: eStar Books, 2013.

MLA (8th ed.) Citation

Northup, Solomon. Twelve Years a Slave. eStar Books, 2013.

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