To cite the methods in the package 'PolyTree' in publications, please
cite the following:

  Sourav Chatterjee and Mathukumalli Vidyasagar (2022). Estimating
  large causal polytrees from small samples. arXiv:2209.07028
  [Preprint]. Available at https://arxiv.org/abs/2209.07028

A BibTeX entry for LaTeX users is

  @Misc{,
    title = {Estimating large causal polytrees from small samples},
    author = {Sourav Chatterjee and Mathukumalli Vidyasagar},
    journal = {arXiv},
    year = {2022},
    url = {https://arxiv.org/abs/2209.07028},
    note = {arXiv:2209.07028},
  }

Additionally, please cite the 'PolyTree' package: