To cite isoboost in publications use:

Conde D, Fernández MA, Rueda C, Salvador B (????). isoboost: Isotonic Boosting Classification Rules. R package version 1.0.0, https://CRAN.R-project.org/package=isoboost.

Corresponding BibTeX entry:

  @Manual{,
    title = {{isoboost}: Isotonic Boosting Classification Rules},
    author = {David Conde and Miguel A. Fern\'{a}ndez and Cristina
      Rueda and Bonifacio Salvador},
    note = {R package version 1.0.0},
    url = {https://CRAN.R-project.org/package=isoboost},
  }