APA (7th ed.) Citation

Wei, Z., Yang, K., Chi, X., Liu, W., & Zhao, X. Dip Angle Effect on the Main Roof First Fracture and Instability in a Fully-Mechanized Workface of Steeply Dipping Coal Seams. Wiley.

Chicago Style (17th ed.) Citation

Wei, Zhen, Ke Yang, Xiaolou Chi, Wenjie Liu, and Xinyuan Zhao. Dip Angle Effect on the Main Roof First Fracture and Instability in a Fully-Mechanized Workface of Steeply Dipping Coal Seams. Wiley.

MLA (9th ed.) Citation

Wei, Zhen, et al. Dip Angle Effect on the Main Roof First Fracture and Instability in a Fully-Mechanized Workface of Steeply Dipping Coal Seams. Wiley.