To cite package ‘PCL’ in publications use:

Ying A (2021). PCL: Proximal Causal Learning. R package version 1.0, https://CRAN.R-project.org/package=PCL.

Corresponding BibTeX entry:

  @Manual{,
    title = {PCL: Proximal Causal Learning},
    author = {Andrew Ying},
    year = {2021},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=PCL},
  }