APA (7th ed.) Citation

Hughes, E. (1977). Electrical technology (5th ed. in SI units.). English Language Book Society.

Chicago Style (17th ed.) Citation

Hughes, Edward. Electrical Technology. 5th ed. in SI units. London: English Language Book Society, 1977.

MLA (9th ed.) Citation

Hughes, Edward. Electrical Technology. 5th ed. in SI units. English Language Book Society, 1977.

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