To cite splithalf in publications, please use:

Parsons, S.. (2017). splithalf: robust estimates of split half reliability (Version 2). figshare. https://doi.org/10.6084/m9.figshare.5559175.v2

Corresponding BibTeX entry:

  @Misc{,
    title = {splithalf; Calculate Task Split Half Reliability
      Estimates},
    author = {Sam Parsons},
    url = {https://doi.org/10.6084/m9.figshare.5559175.v2},
    year = {2017},
  }