To cite package ‘leaflet.providers’ in publications use:

  Huang L (2024). _leaflet.providers: Leaflet Providers_. R package
  version 2.0.0.9000, , <https://github.com/rstudio/leaflet.providers>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {leaflet.providers: Leaflet Providers},
    author = {Leslie Huang},
    year = {2024},
    note = {R package version 2.0.0.9000, 
},
    url = {https://github.com/rstudio/leaflet.providers},
  }