Xu, Z., Xu, N., & Wang, H. Effects of Particle Shapes and Sizes on the Minimum Void Ratios of Sand. Wiley.
Chicago Style (17th ed.) CitationXu, Zhaoyang, Ning Xu, and Haibo Wang. Effects of Particle Shapes and Sizes on the Minimum Void Ratios of Sand. Wiley.
MLA (9th ed.) CitationXu, Zhaoyang, et al. Effects of Particle Shapes and Sizes on the Minimum Void Ratios of Sand. Wiley.
Warning: These citations may not always be 100% accurate.