To cite package ‘iod25’ in publications use:

  Munro D (2026). _iod25: English Indices of Deprivation (IoD25)_. R
  package version 1.0.1, <https://douglasmunro.github.io/iod25/>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {iod25: English Indices of Deprivation (IoD25)},
    author = {Douglas Munro},
    year = {2026},
    note = {R package version 1.0.1},
    url = {https://douglasmunro.github.io/iod25/},
  }