Directed by Orson Welles
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Purchase the Warner Bros. DVD from Amazon
Purchase the Warner Bros. Blu-ray Disc from Amazon
Purchase the Warner Bros. 70th Anniversary multi-format edition from Amazon
Purchase the Criterion Blu-ray Disc set from Amazon
Purchase the Criterion 4K set from Amazon
Purchase the Criterion Blu-ray Disc or 4K set from Criterion
Citizen Kane is or was available in various other editions and/or collections.