APA (7th ed.) Citation

Le Carré, J., Smith, P., Hopcraft, A., Rogers, C., & Egan, P. (2005). A perfect spy. BBC Worldwide.

Chicago Style (17th ed.) Citation

Le Carré, John, Peter Smith, Arthur Hopcraft, Colin Rogers, and Peter Egan. A Perfect Spy. [London]: BBC Worldwide, 2005.

MLA (9th ed.) Citation

Le Carré, John, et al. A Perfect Spy. BBC Worldwide, 2005.