To cite package ‘jpstat’ in publications use:

  Uchida M (2026). _jpstat: Tools for Easy Use of the 'e-Stat' API_. R
  package version 0.5.0, <https://CRAN.R-project.org/package=jpstat>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {jpstat: Tools for Easy Use of the 'e-Stat' API},
    author = {Mizuki Uchida},
    year = {2026},
    note = {R package version 0.5.0},
    url = {https://CRAN.R-project.org/package=jpstat},
  }