APA (7th ed.) Citation

Headline Pictures (Firm), Hoffman, D., Smith, M., Connolly, B., Courtenay, T., Collins, P., & Gambon, M. (2013). Quartet. Anchor Bay Entertainment.

Chicago Style (17th ed.) Citation

Headline Pictures (Firm), Dustin Hoffman, Maggie Smith, Billy Connolly, Tom Courtenay, Pauline Collins, and Michael Gambon. Quartet. Beverly Hills, CA: Anchor Bay Entertainment, 2013.

MLA (8th ed.) Citation

Headline Pictures (Firm), et al. Quartet. Anchor Bay Entertainment, 2013.

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