To cite package ‘ipeadatar’ in publications use:

  Gomes L (2026). _ipeadatar: API Wrapper for 'Ipeadata'_. R package
  version 0.2.1, <https://CRAN.R-project.org/package=ipeadatar>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ipeadatar: API Wrapper for 'Ipeadata'},
    author = {Luiz Eduardo Gomes},
    year = {2026},
    note = {R package version 0.2.1},
    url = {https://CRAN.R-project.org/package=ipeadatar},
  }