To cite package ‘ruler’ in publications use:

  Chasnovski E (2024). _ruler: Tidy Data Validation Reports_. R package
  version 0.3.0.9000, , <https://github.com/echasnovski/ruler>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ruler: Tidy Data Validation Reports},
    author = {Evgeni Chasnovski},
    year = {2024},
    note = {R package version 0.3.0.9000, 
},
    url = {https://github.com/echasnovski/ruler},
  }