To cite package ‘sidra’ in publications use:

  Santana Borges R (2026). _sidra: Acesso aos Dados do 'SIDRA' do
  IBGE_. R package version 0.2.0,
  <https://github.com/rodrigoesborges/sidra>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {sidra: Acesso aos Dados do 'SIDRA' do IBGE},
    author = {Rodrigo Emmanuel {Santana Borges}},
    year = {2026},
    note = {R package version 0.2.0},
    url = {https://github.com/rodrigoesborges/sidra},
  }