To cite package ‘unnest’ in publications use:

  Spinu V (2024). _unnest: Unnest Hierarchical Data Structures_. R
  package version 0.0.6, <https://CRAN.R-project.org/package=unnest>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {unnest: Unnest Hierarchical Data Structures},
    author = {Vitalie Spinu},
    year = {2024},
    note = {R package version 0.0.6},
    url = {https://CRAN.R-project.org/package=unnest},
  }