APA (7th ed.) Citation

Li Huafeng, Zhao Chunsheng, & Gu Chenglin. Study on the contact model fo ultrasonic motor considering shearing deformation.

Chicago Style (17th ed.) Citation

Li Huafeng, Zhao Chunsheng, and Gu Chenglin. Study on the Contact Model Fo Ultrasonic Motor Considering Shearing Deformation.

MLA (9th ed.) Citation

Li Huafeng, et al. Study on the Contact Model Fo Ultrasonic Motor Considering Shearing Deformation.

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