To cite package ‘czso’ in publications use:

  Bouchal P (2024). _czso: Use Open Data from the Czech Statistical
  Office in R_. R package version 0.4.1,
  <https://CRAN.R-project.org/package=czso>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {czso: Use Open Data from the Czech Statistical Office in R},
    author = {Petr Bouchal},
    year = {2024},
    note = {R package version 0.4.1},
    url = {https://CRAN.R-project.org/package=czso},
  }