To cite package ‘psycheval’ in publications use:

  Schneider W (2025). _psycheval: A psychological evaluation toolkit_.
  R package version 0.1.1, , <https://github.com/wjschne/psycheval>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {psycheval: A psychological evaluation toolkit},
    author = {W. Joel Schneider},
    year = {2025},
    note = {R package version 0.1.1, 
},
    url = {https://github.com/wjschne/psycheval},
  }