To cite package ‘fixes’ in publications use:

  Abe Y (2026). _fixes: Staggered DiD Tools: Event Studies and ATT
  Aggregation_. R package version 0.11.1,
  <https://github.com/yo5uke/fixes>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fixes: Staggered DiD Tools: Event Studies and ATT Aggregation},
    author = {Yosuke Abe},
    year = {2026},
    note = {R package version 0.11.1},
    url = {https://github.com/yo5uke/fixes},
  }