APA (7th ed.) Citation

Traditional, Caldwell, B., Mansfield, H., & Alsop, M. (2015). Traditional: The National Anthem. BBC Worldwide.

Chicago Style (17th ed.) Citation

Traditional, Bridget Caldwell, Helen Mansfield, and Marin Alsop. Traditional: The National Anthem. London, England: BBC Worldwide, 2015.

MLA (9th ed.) Citation

Traditional, et al. Traditional: The National Anthem. BBC Worldwide, 2015.