To cite package ‘zarr’ in publications use:

  Van Laake P (2026). _zarr: Native and Extensible R Driver for
  'Zarr'_. R package version 0.4.0.9000,
  <https://github.com/r-cf/zarr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {zarr: Native and Extensible R Driver for 'Zarr'},
    author = {Patrick {Van Laake}},
    year = {2026},
    note = {R package version 0.4.0.9000},
    url = {https://github.com/r-cf/zarr},
  }