To cite package ‘aamatch’ in publications use:

Rosenbaum P (2026). aamatch: Artless Automatic or Artful Multivariate Matching for Observational Studies. R package version 0.4.5, https://CRAN.R-project.org/package=aamatch.

Corresponding BibTeX entry:

  @Manual{,
    title = {aamatch: Artless Automatic or Artful Multivariate Matching
      for Observational Studies},
    author = {Paul Rosenbaum},
    year = {2026},
    note = {R package version 0.4.5},
    url = {https://CRAN.R-project.org/package=aamatch},
  }