To cite SELF in publications use:

  Ruichu Cai, Jie Qiao, Zhenjie Zhang, Zhifeng Hao. SELF: Structural
  Equational Embedded Likelihood Framework for Causal Discovery. AAAI.
  2018.

A BibTeX entry for LaTeX users is

  @InProceedings{,
    title = {SELF: Structural Equational Embedded Likelihood Framework for Causal Discovery},
    author = {Ruichu Cai and Jie Qiao and Zhenjie Zhang and Zhifeng Hao},
    booktitle = {AAAI},
    year = {2018},
  }