APA (7th ed.) Citation

Ma, H., Zhu, C., Zhao, P., & Wang, B. Freezing Method for Rock Cross-Cut Coal Uncovering: Aging Characteristic of Effective Freezing Distance on Injecting Liquid Nitrogen into Coal Seam. Wiley.

Chicago Style (17th ed.) Citation

Ma, Heyi, Chuanqu Zhu, Pengtao Zhao, and Binbin Wang. Freezing Method for Rock Cross-Cut Coal Uncovering: Aging Characteristic of Effective Freezing Distance on Injecting Liquid Nitrogen into Coal Seam. Wiley.

MLA (9th ed.) Citation

Ma, Heyi, et al. Freezing Method for Rock Cross-Cut Coal Uncovering: Aging Characteristic of Effective Freezing Distance on Injecting Liquid Nitrogen into Coal Seam. Wiley.