To cite package ‘SynthTools’ in publications use:

Looby C (2020). SynthTools: Tools and Tests for Experiments with Partially Synthetic Data Sets. R package version 1.0.1, https://CRAN.R-project.org/package=SynthTools.

Corresponding BibTeX entry:

  @Manual{,
    title = {SynthTools: Tools and Tests for Experiments with Partially
      Synthetic Data Sets},
    author = {Charlotte Looby},
    year = {2020},
    note = {R package version 1.0.1},
    url = {https://CRAN.R-project.org/package=SynthTools},
  }