To cite package ‘vcd2df’ in publications use:

  Deutschbein C (2025). _vcd2df: Value Change Dump to Data Frame_. R
  package version 1.0.1, <https://github.com/vcd2df/r>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {vcd2df: Value Change Dump to Data Frame},
    author = {Calvin Deutschbein},
    year = {2025},
    note = {R package version 1.0.1},
    url = {https://github.com/vcd2df/r},
  }