APA (7th ed.) Citation

Liu, J., Xu, Z., & Zhou, S. On the External Failure Surface in PSEs: Numerical and Theoretical Methods. Wiley.

Chicago Style (17th ed.) Citation

Liu, Jiaqing, Zeyu Xu, and Shuai Zhou. On the External Failure Surface in PSEs: Numerical and Theoretical Methods. Wiley.

MLA (9th ed.) Citation

Liu, Jiaqing, et al. On the External Failure Surface in PSEs: Numerical and Theoretical Methods. Wiley.

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