To cite package ‘downlit’ in publications use:

  Wickham H (2024). _downlit: Syntax Highlighting and Automatic
  Linking_. R package version 0.4.4.9000, ,
  <https://github.com/r-lib/downlit>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {downlit: Syntax Highlighting and Automatic Linking},
    author = {Hadley Wickham},
    year = {2024},
    note = {R package version 0.4.4.9000, },
    url = {https://github.com/r-lib/downlit},
  }