To cite package ‘econio’ in publications use:

  Uchida M (2026). _econio: Input-Output Analysis_. R package version
  0.1.0, <https://github.com/uchidamizuki/econio>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {econio: Input-Output Analysis},
    author = {Mizuki Uchida},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/uchidamizuki/econio},
  }