APA (7th ed.) Citation

Al-Ali, A., El-AMin, I., Kassas, M., Al-Saif, F., & unknown. (1995). A programmable SCR-based AC voltage regulator.

Chicago Style (17th ed.) Citation

Al-Ali, A.R, I. El-AMin, M. Kassas, F. Al-Saif, and unknown. A Programmable SCR-based AC Voltage Regulator. 1995.

MLA (9th ed.) Citation

Al-Ali, A.R, et al. A Programmable SCR-based AC Voltage Regulator. 1995.