APA (7th ed.) Citation

Tian, X., Song, Z., Zhou, G., & Zhang, X. A Theoretical Calculation Method of the Unsupported Span for the Shallow Tunnel in the Soft Stratum. Wiley.

Chicago Style (17th ed.) Citation

Tian, Xiaoxu, Zhanping Song, Guannan Zhou, and Xiaowei Zhang. A Theoretical Calculation Method of the Unsupported Span for the Shallow Tunnel in the Soft Stratum. Wiley.

MLA (9th ed.) Citation

Tian, Xiaoxu, et al. A Theoretical Calculation Method of the Unsupported Span for the Shallow Tunnel in the Soft Stratum. Wiley.

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