To cite package ‘nhsnumber’ in publications use:

Sellors M (2021). nhsnumber: Tools for Working with NHS Number Checksums. R package version 0.1.2, https://github.com/sellorm/nhsnumber.

Corresponding BibTeX entry:

  @Manual{,
    title = {nhsnumber: Tools for Working with NHS Number Checksums},
    author = {Mark Sellors},
    year = {2021},
    note = {R package version 0.1.2},
    url = {https://github.com/sellorm/nhsnumber},
  }