BibTex

@inproceedings{zhou2019blockchain,
  title={A Blockchain based Witness Model for Trustworthy Cloud Service Level Agreement Enforcement},
  author={Zhou, Huan and Ouyang, Xue and Ren, Zhijie and Su, Jinshu and de Laat, Cees and Zhao, Zhiming},
  booktitle={IEEE INFOCOM 2019-IEEE Conference on Computer Communications},
  pages={1567--1575},
  year={2019},
  organization={IEEE}
}