To cite package ‘slideimp.extra’ in publications use:

  Pham H (2026). _slideimp.extra: slideimp Package Helpers_. R package
  version 0.6.8, <https://github.com/hhp94/slideimp.extra>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {slideimp.extra: slideimp Package Helpers},
    author = {Hung Pham},
    year = {2026},
    note = {R package version 0.6.8},
    url = {https://github.com/hhp94/slideimp.extra},
  }