APA (7th ed.) Citation

BBC Worldwide Ltd & Infobase. (2016). Once Upon a Time in Denmark. BBC Worldwide Ltd.

Chicago Style (17th ed.) Citation

BBC Worldwide Ltd and Infobase. Once Upon a Time in Denmark. [Place of publication not identified]: BBC Worldwide Ltd, 2016.

MLA (9th ed.) Citation

BBC Worldwide Ltd and Infobase. Once Upon a Time in Denmark. BBC Worldwide Ltd, 2016.