To cite package ‘rsixel’ in publications use:

  Lv W (2026). _rsixel: Encoding and Decoding Sixel Images_. R package
  version 0.0.4, <https://CRAN.R-project.org/package=rsixel>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rsixel: Encoding and Decoding Sixel Images},
    author = {Weifan Lv},
    year = {2026},
    note = {R package version 0.0.4},
    url = {https://CRAN.R-project.org/package=rsixel},
  }