To cite matchingMarkets in publications use:
Klein T (2023). “Analysis of Stable Matchings in R: Package matchingMarkets.” The Comprehensive R Archive Network. https://cran.r-project.org/package=matchingMarkets.
Corresponding BibTeX entry:
  @Article{,
    title = {Analysis of Stable Matchings in {R}: Package
      {matchingMarkets}},
    author = {Thilo Klein},
    journal = {The Comprehensive R Archive Network},
    year = {2023},
    url = {https://cran.r-project.org/package=matchingMarkets},
  }