APA (7th ed.) Citation

Yuan, S., & Zhang, C. A sulfonated modification of PEEK for ultralow friction. Tsinghua University Press.

Chicago Style (17th ed.) Citation

Yuan, Shihua, and Chenhui Zhang. A Sulfonated Modification of PEEK for Ultralow Friction. Tsinghua University Press.

MLA (9th ed.) Citation

Yuan, Shihua, and Chenhui Zhang. A Sulfonated Modification of PEEK for Ultralow Friction. Tsinghua University Press.

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