To cite package ‘PsyToolkit’ in publications use:

  Stoet G (2026). _PsyToolkit: Analysis Tools for 'PsyToolkit'_. R
  package version 1.1.4,
  <https://CRAN.R-project.org/package=PsyToolkit>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {PsyToolkit: Analysis Tools for 'PsyToolkit'},
    author = {Gijsbert Stoet},
    year = {2026},
    note = {R package version 1.1.4},
    url = {https://CRAN.R-project.org/package=PsyToolkit},
  }