To cite cutpointr in publications use:

Thiele C, Hirschfeld G (2021). “cutpointr: Improved Estimation and Validation of Optimal Cutpoints in R.” Journal of Statistical Software, 98(11), 1–27. doi:10.18637/jss.v098.i11.

Corresponding BibTeX entry:

  @Article{,
    title = {{cutpointr}: Improved Estimation and Validation of Optimal
      Cutpoints in {R}},
    author = {Christian Thiele and Gerrit Hirschfeld},
    journal = {Journal of Statistical Software},
    year = {2021},
    volume = {98},
    number = {11},
    pages = {1--27},
    doi = {10.18637/jss.v098.i11},
  }