To cite modi in publications use:

Beat Hulliger (2023). modi: Multivariate outlier detection and imputation for incomplete survey data. R package version 0.1.1 https://CRAN.R-project.org/package=modi

Corresponding BibTeX entry:

  @Manual{,
    title = {modi: Multivariate outlier detection and imputation for
      incomplete survey data},
    author = {Beat Hulliger},
    year = {2023},
    note = {R package version 0.1.1},
    url = {https://CRAN.R-project.org/package=modi},
  }