To cite package ‘voucher’ in publications use:

  Srimath Kandali V (2026). _voucher: 'Trustdown' Interface for R_. R
  package version 1.0.2, <https://github.com/visruthsk/voucher>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {voucher: 'Trustdown' Interface for R},
    author = {Visruth {Srimath Kandali}},
    year = {2026},
    note = {R package version 1.0.2},
    url = {https://github.com/visruthsk/voucher},
  }