APA (7th ed.) Citation

Liang, X., Hu, D., Li, Y., Yang, X., Jiang, L., & Zhang, Y. An Improved Model to Calculate Pullback Force of Trenchless Horizontal Directional Drilling Pipeline. Wiley.

Chicago Style (17th ed.) Citation

Liang, Xiao-qiang, Da Hu, Yong-suo Li, Xian Yang, Lei Jiang, and Yun-yi Zhang. An Improved Model to Calculate Pullback Force of Trenchless Horizontal Directional Drilling Pipeline. Wiley.

MLA (9th ed.) Citation

Liang, Xiao-qiang, et al. An Improved Model to Calculate Pullback Force of Trenchless Horizontal Directional Drilling Pipeline. Wiley.