APA (7th ed.) Citation

Fellowes, J., Marchant, N., & Percival, B. (2011). Downton Abbey (Original UK ed.). PBS.

Chicago Style (17th ed.) Citation

Fellowes, Julian, Nigel Marchant, and Brian Percival. Downton Abbey. Original UK ed. [Arlington]: PBS, 2011.

MLA (9th ed.) Citation

Fellowes, Julian, et al. Downton Abbey. Original UK ed. PBS, 2011.