APA (7th ed.) Citation

Paramount Vantage, Paramount Home Entertainment (Firm), Dibb, S., Knightley, K., Fiennes, R., Rampling, C., & Foreman, A. (2008). The duchess. Paramount Home Entertainment.

Chicago Style (17th ed.) Citation

Paramount Vantage, Paramount Home Entertainment (Firm), Saul Dibb, Keira Knightley, Ralph Fiennes, Charlotte Rampling, and Amanda Foreman. The Duchess. Hollywood, Calif.: Paramount Home Entertainment, 2008.

MLA (8th ed.) Citation

Paramount Vantage, et al. The Duchess. Paramount Home Entertainment, 2008.

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