APA (7th ed.) Citation

British Broadcasting Corporation, Firth, P., Simon, H., Walker, N., Norris, H., Armitage, R., & Raison, M. (2011). MI-5. British Broadcasting Corporation.

Chicago Style (17th ed.) Citation

British Broadcasting Corporation, Peter Firth, Hugh Simon, Nicola Walker, Hermione Norris, Richard Armitage, and Miranda Raison. MI-5. [United States]: British Broadcasting Corporation, 2011.

MLA (9th ed.) Citation

British Broadcasting Corporation, et al. MI-5. British Broadcasting Corporation, 2011.