To cite package ‘ssBartik’ in publications use:

  Iwasaki T (2026). _ssBartik: An End-to-End Pipeline for Shift-Share
  (Bartik) Instrumental Variables_. R package version 0.1.0,
  <https://github.com/takuma1102/ssbartik>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ssBartik: An End-to-End Pipeline for Shift-Share (Bartik) Instrumental
Variables},
    author = {Takuma Iwasaki},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/takuma1102/ssbartik},
  }