To cite package ‘metathis’ in publications use:

  Aden-Buie G (2024). _metathis: HTML Metadata Tags for 'R Markdown'
  and 'Shiny'_. R package version 1.1.4.9000, ,
  <https://github.com/gadenbuie/metathis>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {metathis: HTML Metadata Tags for 'R Markdown' and 'Shiny'},
    author = {Garrick Aden-Buie},
    year = {2024},
    note = {R package version 1.1.4.9000, 
},
    url = {https://github.com/gadenbuie/metathis},
  }