To cite package ‘bojapi’ in publications use:

  Miyazaki K (2026). _bojapi: Access the Bank of Japan Time-Series Data
  API_. R package version 0.1.0, <https://github.com/kenjimyzk/bojapi>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {bojapi: Access the Bank of Japan Time-Series Data API},
    author = {Kenji Miyazaki},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/kenjimyzk/bojapi},
  }