To cite package ‘vcf2mafR’ in publications use:

  El-Kamand S (2023). _vcf2mafR: What the Package Does (One Line, Title
  Case)_. R package version 0.0.0.9000,
  <https://github.com/selkamand/vcf2mafr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {vcf2mafR: What the Package Does (One Line, Title Case)},
    author = {Sam El-Kamand},
    year = {2023},
    note = {R package version 0.0.0.9000},
    url = {https://github.com/selkamand/vcf2mafr},
  }