To cite package ‘litedown’ in publications use:

  Xie Y (2025). _litedown: A Lightweight Version of R Markdown_. R
  package version 0.5, <https://github.com/yihui/litedown>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {litedown: A Lightweight Version of R Markdown},
    author = {Yihui Xie},
    year = {2025},
    note = {R package version 0.5},
    url = {https://github.com/yihui/litedown},
  }