APA (7th ed.) Citation

Butterworths & Ashen, R. A. (1987). BASIC electrotechnology. Butterworths.

Chicago Style (17th ed.) Citation

Butterworths and R. A. Ashen. BASIC Electrotechnology. London: Butterworths, 1987.

MLA (8th ed.) Citation

Butterworths and R. A. Ashen. BASIC Electrotechnology. Butterworths, 1987.

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