To cite package ‘altcheckr’ in publications use:

  Dray M (2024). _altcheckr: Assess Image Alt Text on a Web Page_. R
  package version 0.1.0, , <https://github.com/matt-dray/altcheckr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {altcheckr: Assess Image Alt Text on a Web Page},
    author = {Matt Dray},
    year = {2024},
    note = {R package version 0.1.0, 
},
    url = {https://github.com/matt-dray/altcheckr},
  }