To be made up of:
(The Babadook, 2014)
The Babadook. (2014). [Blu-ray]. Directed by Jennifer Kent. Australia: Screen Australia and Causeway Films.
Follow the same format as for a standard film, and add:
(Secrets and Lies, 1996).
Secrets and Lies. (1996). [Online]. Directed by Mike Leigh. England: Channel 4 Films. Available from Amazon Prime. [Viewed on 10 November 2018].