To cite package ‘vmTools’ in publications use:

  Byrne S (2025). _vmTools: Version Management Tools on the File
  System_. R package version 1.0.1,
  <https://CRAN.R-project.org/package=vmTools>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {vmTools: Version Management Tools on the File System},
    author = {Sam Byrne},
    year = {2025},
    note = {R package version 1.0.1},
    url = {https://CRAN.R-project.org/package=vmTools},
  }