APA (7th ed.) Citation

River Road Entertainment, Bass Films, & Regency Enterprise. (2013). 12 years a slave [DVD]. River Road Entertainment.

Chicago Style (17th ed.) Citation

River Road Entertainment, Bass Films, and Regency Enterprise. 12 Years a Slave [DVD]. River Road Entertainment, 2013.

MLA (9th ed.) Citation

River Road Entertainment, et al. 12 Years a Slave [DVD]. River Road Entertainment, 2013.