APA (7th ed.) Citation

General Electric Company. (1939). Lightning and the protection of electric systems. General electric company.

Chicago Style (17th ed.) Citation

General Electric Company. Lightning and the Protection of Electric Systems. Schenectady, N.Y.: General electric company, 1939.

MLA (9th ed.) Citation

General Electric Company. Lightning and the Protection of Electric Systems. General electric company, 1939.