APA (7th ed.) Citation

Pioneer Productions, Public Broadcasting Service (U.S.), Matthews, V., & West, S. (2013). Secrets of the Tower of London. PBS.

Chicago Style (17th ed.) Citation

Pioneer Productions, Public Broadcasting Service (U.S.), Vicky Matthews, and Samuel West. Secrets of the Tower of London. [United States]: PBS, 2013.

MLA (9th ed.) Citation

Pioneer Productions, et al. Secrets of the Tower of London. PBS, 2013.