APA (7th ed.) Citation

Christie, A. (2021). Agatha Christie: Queen of Crime. Great Movies GmbH.

Chicago Style (17th ed.) Citation

Christie, Agatha. Agatha Christie: Queen of Crime. [Mainz]: Great Movies GmbH, 2021.

MLA (9th ed.) Citation

Christie, Agatha. Agatha Christie: Queen of Crime. Great Movies GmbH, 2021.

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