To cite package ‘sudachir2’ in publications use:

  Kato A (2025). _sudachir2: R Wrapper for 'sudachi.rs'_. R package
  version 0.6.10.4, <https://github.com/paithiov909/sudachir2>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {sudachir2: R Wrapper for 'sudachi.rs'},
    author = {Akiru Kato},
    year = {2025},
    note = {R package version 0.6.10.4},
    url = {https://github.com/paithiov909/sudachir2},
  }