APA (7th ed.) Citation

FilmFour (Firm), Ridley, J., Zimmer, H., Pitt, B., Ejiofor, C., Fassbender, M., . . . Northup, S. (2014). 12 years a slave.

Chicago Style (17th ed.) Citation

FilmFour (Firm), et al. 12 Years a Slave. ©2013, 2014.

MLA (9th ed.) Citation

FilmFour (Firm), et al. 12 Years a Slave. 2014.

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