To cite badcontrols in publications use:

Caetano C, Callaway B, Payne S, Sant'Anna H (2026). badcontrols: Difference-in-Differences with Bad Controls. R package version 1.0.1, https://github.com/hugosantanna/badcontrols.

Caetano C, Callaway B, Payne S, Sant'Anna H (2026). “Difference-in-Differences with Bad Controls.” arXiv preprint arXiv:2608.03881. https://arxiv.org/abs/2608.03881.

Corresponding BibTeX entries:

  @Manual{,
    title = {{badcontrols}: Difference-in-Differences with Bad
      Controls},
    author = {Carolina Caetano and Brantly Callaway and Stroud Payne
      and Hugo Sant'Anna},
    year = {2026},
    note = {R package version 1.0.1},
    url = {https://github.com/hugosantanna/badcontrols},
  }

  @Article{,
    title = {Difference-in-Differences with Bad Controls},
    author = {Carolina Caetano and Brantly Callaway and Stroud Payne
      and Hugo Sant'Anna},
    year = {2026},
    journal = {arXiv preprint arXiv:2608.03881},
    url = {https://arxiv.org/abs/2608.03881},
  }