To cite package ‘dir’ in publications use:

  Tanaka E (2024). _dir: Interactive Directory Listing_. R package
  version 1.0.0, <https://github.com/emitanaka/dir>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {dir: Interactive Directory Listing},
    author = {Emi Tanaka},
    year = {2024},
    note = {R package version 1.0.0},
    url = {https://github.com/emitanaka/dir},
  }