APA (7th ed.) Citation

Martin, J., & Powell, R. (1998). Secrets of World War II. BBC Worldwide.

Chicago Style (17th ed.) Citation

Martin, Jonathan, and Robert Powell. Secrets of World War II. London, England: BBC Worldwide, 1998.

MLA (9th ed.) Citation

Martin, Jonathan, and Robert Powell. Secrets of World War II. BBC Worldwide, 1998.

Warning: These citations may not always be 100% accurate.