To cite package ‘gdstheme’ in publications use:

  Dray M (2024). _gdstheme: Xaringan Template With Government Digital
  Services Theme_. R package version 0.0.0.9000,
  <https://github.com/matt-dray/gdstheme>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {gdstheme: Xaringan Template With Government Digital Services Theme},
    author = {Matt Dray},
    year = {2024},
    note = {R package version 0.0.0.9000},
    url = {https://github.com/matt-dray/gdstheme},
  }