APA (7th ed.) Citation

Marconi Company. Broadcasting Division.; Marconi's Wireless Telegraph Company. Sound and vision broadcasting. Marconi Company Ltd.

Chicago Style (17th ed.) Citation

Marconi Company. Broadcasting Division.; Marconi's Wireless Telegraph Company. Sound and Vision Broadcasting. Chelmsford: Marconi Company Ltd.

MLA (9th ed.) Citation

Marconi Company. Broadcasting Division.; Marconi's Wireless Telegraph Company. Sound and Vision Broadcasting. Marconi Company Ltd.

Warning: These citations may not always be 100% accurate.