APA (7th ed.) Citation

British Broadcasting Corporation, Richardson, A., & Gordon, P. (1999). Maternity. British Broadcasting Corporation (BBC).

Chicago Style (17th ed.) Citation

British Broadcasting Corporation, Amanda Richardson, and Peter Gordon. Maternity. London, England: British Broadcasting Corporation (BBC), 1999.

MLA (9th ed.) Citation

British Broadcasting Corporation, et al. Maternity. British Broadcasting Corporation (BBC), 1999.