To cite package ‘zip’ in publications use:

  Csárdi G (2025). _zip: Cross-Platform 'zip' Compression_. R package
  version 2.3.2.9000, , <https://github.com/r-lib/zip>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {zip: Cross-Platform 'zip' Compression},
    author = {Gábor Csárdi},
    year = {2025},
    note = {R package version 2.3.2.9000, },
    url = {https://github.com/r-lib/zip},
  }