MLA

Zheng, et al. Blockchain and Trustworthy Systems: First International Conference, Blocksys 2019, Guangzhou, China, December 7–8, 2019, Proceedings. Springer Singapore, 2020.

APA

Zheng, Z., Chen, X., Dai, H., & Tang, M. (2020). Blockchain and Trustworthy Systems: First International Conference, BlockSys 2019, Guangzhou, China, December 7–8, 2019, Proceedings. Springer Singapore.

Chicago

Zheng, Xiangping Chen, Hong-Ning Dai, and Mingdong Tang. Blockchain and Trustworthy Systems: First International Conference, Blocksys 2019, Guangzhou, China, December 7–8, 2019, Proceedings. : Springer Singapore, 2020.