APA (7th ed.) Citation

Heron, Z., & Leonard, P. (2015). Horizon: The end of physics? BBC Worldwide.

Chicago Style (17th ed.) Citation

Heron, Zoe, and Peter Leonard. Horizon: The End of Physics? London, England: BBC Worldwide, 2015.

MLA (9th ed.) Citation

Heron, Zoe, and Peter Leonard. Horizon: The End of Physics? BBC Worldwide, 2015.