To cite package ‘brpop’ in publications use:

  Saldanha R (2024). _brpop: Brazilian Population Estimatives_. R
  package version 0.5.0, <https://CRAN.R-project.org/package=brpop>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {brpop: Brazilian Population Estimatives},
    author = {Raphael Saldanha},
    year = {2024},
    note = {R package version 0.5.0},
    url = {https://CRAN.R-project.org/package=brpop},
  }