To cite package ‘convertBCD’ in publications use:

  Witthoft C (2024). _convertBCD: Convert Decimal to Binary-Coded
  Decimal (BCD) Form and Vice Versa_. R package version 1.0,
  <https://CRAN.R-project.org/package=convertBCD>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {convertBCD: Convert Decimal to Binary-Coded Decimal (BCD) Form and Vice
Versa},
    author = {Carl Witthoft},
    year = {2024},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=convertBCD},
  }