To cite package ‘croissant’ in publications use:

  Gennatas E (2026). _croissant: 'Croissant' Metadata Reader and
  Writer_. R package version 0.0.1,
  <https://github.com/rtemis-org/croissant>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {croissant: 'Croissant' Metadata Reader and Writer},
    author = {E.D. Gennatas},
    year = {2026},
    note = {R package version 0.0.1},
    url = {https://github.com/rtemis-org/croissant},
  }