APA (7th ed.) Citation

Li, J., Zhang, T., & Yang, S. (1998). The two-dimensional Riemann problem in gas dynamics. Longman.

Chicago Style (17th ed.) Citation

Li, Jiequan, Tong Zhang, and Shuli Yang. The Two-dimensional Riemann Problem in Gas Dynamics. Harlow: Longman, 1998.

MLA (9th ed.) Citation

Li, Jiequan, et al. The Two-dimensional Riemann Problem in Gas Dynamics. Longman, 1998.