To cite package ‘ssBartik’ in publications use:

  Iwasaki T (2026). _ssBartik: End-to-End Pipeline for Shift-Share
  (Bartik) Instrumental Variables_. R package version 0.1.1,
  <https://CRAN.R-project.org/package=ssBartik>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ssBartik: End-to-End Pipeline for Shift-Share (Bartik) Instrumental
Variables},
    author = {Takuma Iwasaki},
    year = {2026},
    note = {R package version 0.1.1},
    url = {https://CRAN.R-project.org/package=ssBartik},
  }