To cite package ‘xaringan’ in publications use:

  Xie Y (2024). _xaringan: Presentation Ninja_. R package version
  0.30.1, <https://github.com/yihui/xaringan>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {xaringan: Presentation Ninja},
    author = {Yihui Xie},
    year = {2024},
    note = {R package version 0.30.1},
    url = {https://github.com/yihui/xaringan},
  }