To cite package ‘vntrs’ in publications use:

Oelschläger L (2026). vntrs: Variable Neighborhood Trust Region Search. R package version 0.3.0, https://CRAN.R-project.org/package=vntrs.

Corresponding BibTeX entry:

  @Manual{,
    title = {vntrs: Variable Neighborhood Trust Region Search},
    author = {Lennart Oelschläger},
    year = {2026},
    note = {R package version 0.3.0},
    url = {https://CRAN.R-project.org/package=vntrs},
  }