APA (7th ed.) Citation

Wei, J., Zhang, J., Wen, Z., Zhang, L., Ren, Y., & Si, L. Natural Frequency of Coal: Mathematical Model, Test, and Analysis on Influencing Factors. Wiley.

Chicago Style (17th ed.) Citation

Wei, Jianping, Junzhao Zhang, Zhihui Wen, Libo Zhang, Yongjie Ren, and Leilei Si. Natural Frequency of Coal: Mathematical Model, Test, and Analysis on Influencing Factors. Wiley.

MLA (9th ed.) Citation

Wei, Jianping, et al. Natural Frequency of Coal: Mathematical Model, Test, and Analysis on Influencing Factors. Wiley.