To cite package ‘keyholder’ in publications use:

  Chasnovski E (2024). _keyholder: Store Data About Rows_. R package
  version 0.1.7.9000, , <https://github.com/echasnovski/keyholder>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {keyholder: Store Data About Rows},
    author = {Evgeni Chasnovski},
    year = {2024},
    note = {R package version 0.1.7.9000, 
},
    url = {https://github.com/echasnovski/keyholder},
  }