APA (7th ed.) Citation

Romeral, L., Arias, A., Aldabas, E., & Bordonau, J. A VERY SIMPLE SELF-TUNING PID SPEED CONTROLLER.

Chicago Style (17th ed.) Citation

Romeral, L., A. Arias, E. Aldabas, and J. Bordonau. A VERY SIMPLE SELF-TUNING PID SPEED CONTROLLER.

MLA (9th ed.) Citation

Romeral, L., et al. A VERY SIMPLE SELF-TUNING PID SPEED CONTROLLER.