To cite package ‘marquee’ in publications use:

  Pedersen T, Mitáš M (2025). _marquee: Markdown Parser and Renderer
  for R Graphics_. R package version 1.0.0.9000, ,
  <https://github.com/r-lib/marquee>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {marquee: Markdown Parser and Renderer for R Graphics},
    author = {Thomas Lin Pedersen and Martin Mitáš},
    year = {2025},
    note = {R package version 1.0.0.9000, },
    url = {https://github.com/r-lib/marquee},
  }