APA (7th ed.) Citation

Li Huafeng & Zhao Chunsheng. An ultrasonic motor driver using a resonant booster.

Chicago Style (17th ed.) Citation

Li Huafeng and Zhao Chunsheng. An Ultrasonic Motor Driver Using a Resonant Booster.

MLA (9th ed.) Citation

Li Huafeng and Zhao Chunsheng. An Ultrasonic Motor Driver Using a Resonant Booster.

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