To cite package ‘vecmatch’ in publications use:

Kolek M (2025). vecmatch: Generalized Propensity Score Estimation and Matching for Multiple Groups. R package version 1.3.0.9000, https://github.com/polymerase3/vecmatch.

Corresponding BibTeX entry:

  @Manual{,
    title = {vecmatch: Generalized Propensity Score Estimation and
      Matching for Multiple Groups},
    author = {Mateusz Kolek},
    year = {2025},
    note = {R package version 1.3.0.9000},
    url = {https://github.com/polymerase3/vecmatch},
  }