To cite package ‘finna’ in publications use:

  Jeba A, Lahti L (2025). _finna: Access the 'Finna' API_. R package
  version 0.1.2, , <https://github.com/ropengov/finna>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {finna: Access the 'Finna' API},
    author = {Akewak Jeba and Leo Lahti},
    year = {2025},
    note = {R package version 0.1.2, 
},
    url = {https://github.com/ropengov/finna},
  }