To cite package ‘boundr’ in publications use:

  Barton F (2024). _boundr: Retrieve Area Boundaries and Data from the
  ONS Open Geography Portal_. R package version 0.3.99, ,
  <https://github.com/francisbarton/boundr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {boundr: Retrieve Area Boundaries and Data from the ONS Open Geography
Portal},
    author = {Francis Barton},
    year = {2024},
    note = {R package version 0.3.99, 
},
    url = {https://github.com/francisbarton/boundr},
  }