APA (7th ed.) Citation

International Correspondence Schools. Transformers, rectifiers, and converters ; electric transmission ; switchgear ; underground mains ; overhead mains ; substations ; voltage regulation ;commercial testing of electrical machinery ;storage batteries and boosters. International Correspondence Schools.

Chicago Style (17th ed.) Citation

International Correspondence Schools. Transformers, Rectifiers, and Converters ; Electric Transmission ; Switchgear ; Underground Mains ; Overhead Mains ; Substations ; Voltage Regulation ;commercial Testing of Electrical Machinery ;storage Batteries and Boosters. London: International Correspondence Schools.

MLA (8th ed.) Citation

International Correspondence Schools. Transformers, Rectifiers, and Converters ; Electric Transmission ; Switchgear ; Underground Mains ; Overhead Mains ; Substations ; Voltage Regulation ;commercial Testing of Electrical Machinery ;storage Batteries and Boosters. International Correspondence Schools.