APA (7th ed.) Citation

Helme, E. T. L. (1951). Automobile efficiency: Maintaining performance with electrial test equipment. Published for "The Motor Trader" by Trader Publ. Co..

Chicago Style (17th ed.) Citation

Helme, E. T. Lawson. Automobile Efficiency: Maintaining Performance with Electrial Test Equipment. London: Published for "The Motor Trader" by Trader Publ. Co., 1951.

MLA (9th ed.) Citation

Helme, E. T. Lawson. Automobile Efficiency: Maintaining Performance with Electrial Test Equipment. Published for "The Motor Trader" by Trader Publ. Co., 1951.