Directed by Martin Scorsese
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Purchase the Sony DVD from Amazon
Purchase the Sony Blu-ray Disc from Amazon
Purchase the 4K Ultra HD/Blu-ray Disc combo from Amazon
Taxi Driver is also available on 4K Ultra HD as part of the Columbia Classics 4K Ultra HD Collection Volume 2, which also includes the Film Registry titles Anatomy of a Murder (1959/2012) on 4K Ultra HD and The Tell-Tale Heart (1953/2001) on Blu-ray Disc.
Taxi Driver is or was available in various other editions and/or collections.