APA (7th ed.) Citation

YAO, S., WANG, W., & HUANG, M. Research on Technical Improvement of HX<sub>D</sub>2 Eight-axle Freight Electric Locomotive. Editorial Department of Electric Drive for Locomotives.

Chicago Style (17th ed.) Citation

YAO, Suming, Wen WANG, and Minghui HUANG. Research on Technical Improvement of HX<sub>D</sub>2 Eight-axle Freight Electric Locomotive. Editorial Department of Electric Drive for Locomotives.

MLA (9th ed.) Citation

YAO, Suming, et al. Research on Technical Improvement of HX<sub>D</sub>2 Eight-axle Freight Electric Locomotive. Editorial Department of Electric Drive for Locomotives.

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