To cite package ‘snakecase’ in publications use:

  Grosser M (2023). _snakecase: Convert Strings into any Case_. R
  package version 0.11.1, <https://github.com/tazinho/snakecase>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {snakecase: Convert Strings into any Case},
    author = {Malte Grosser},
    year = {2023},
    note = {R package version 0.11.1},
    url = {https://github.com/tazinho/snakecase},
  }