To cite package ‘ggfixest’ in publications use:

  McDermott G (2023). _ggfixest: Dedicated 'ggplot2' Methods for
  'fixest' Objects_. R package version 0.1.0.9001,
  <https://github.com/grantmcdermott/ggfixest>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggfixest: Dedicated 'ggplot2' Methods for 'fixest' Objects},
    author = {Grant McDermott},
    year = {2023},
    note = {R package version 0.1.0.9001},
    url = {https://github.com/grantmcdermott/ggfixest},
  }