To cite package ‘typed’ in publications use:

  Fabri A (2026). _typed: Support Types for Variables, Arguments, and
  Return Values_. R package version 0.0.1.9000,
  <https://github.com/moodymudskipper/typed>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {typed: Support Types for Variables, Arguments, and Return Values},
    author = {Antoine Fabri},
    year = {2026},
    note = {R package version 0.0.1.9000},
    url = {https://github.com/moodymudskipper/typed},
  }