To cite package ‘finna’ in publications use:

  Jeba A, Lahti L (2026). _finna: Access the 'Finna' API_. R package
  version 0.1.2, <https://github.com/fennicahub/finna>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {finna: Access the 'Finna' API},
    author = {Akewak Jeba and Leo Lahti},
    year = {2026},
    note = {R package version 0.1.2},
    url = {https://github.com/fennicahub/finna},
  }