To cite package ‘zipper’ in publications use:

Pav SE (2021). zipper: Zip Sorted Arrays Together. R package version 0.1.0.1000, https://github.com/shabbychef/zipper.

Corresponding BibTeX entry:

  @Manual{,
    title = {zipper: Zip Sorted Arrays Together},
    author = {Steven E. Pav},
    year = {2021},
    note = {R package version 0.1.0.1000},
    url = {https://github.com/shabbychef/zipper},
  }