APA (7th ed.) Citation

Liang, B., & Xiao, Y. (2022). Calculation model and analysis for lay-by spacing in highway tunnel. Polish Academy of Sciences.

Chicago Style (17th ed.) Citation

Liang, Bo, and Yao Xiao. Calculation Model and Analysis for Lay-by Spacing in Highway Tunnel. Polish Academy of Sciences, 2022.

MLA (9th ed.) Citation

Liang, Bo, and Yao Xiao. Calculation Model and Analysis for Lay-by Spacing in Highway Tunnel. Polish Academy of Sciences, 2022.

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