To cite ThresholdROC in publications use:

Perez-Jaume S, Skaltsa K, Pallarès N, Carrasco JL (2017). “ThresholdROC: Optimum Threshold Estimation Tools for Continuous Diagnostic Tests in R.” Journal of Statistical Software, 82(4), 1–21. doi: 10.18637/jss.v082.i04.

Corresponding BibTeX entry:

  @Article{,
    title = {{ThresholdROC}: Optimum Threshold Estimation Tools for
      Continuous Diagnostic Tests in {R}},
    author = {Sara Perez-Jaume and Konstantina Skaltsa and Nat{\`a}lia
      Pallar{\`e}s and Josep L. Carrasco},
    journal = {Journal of Statistical Software},
    year = {2017},
    volume = {82},
    number = {4},
    pages = {1--21},
    doi = {10.18637/jss.v082.i04},
  }