APA (7th ed.) Citation

Welles, O. (1940). Citizen Kane: [screenplay] (rev. final.). RKO Radio pictures.

Chicago Style (17th ed.) Citation

Welles, Orson. Citizen Kane: [screenplay]. rev. final. Hollywood: RKO Radio pictures, 1940.

MLA (9th ed.) Citation

Welles, Orson. Citizen Kane: [screenplay]. rev. final. RKO Radio pictures, 1940.