To cite dPCP use:

De Falco A, Stieber D, Mittelbronn M (2020). Digital PCR Cluster Predictor: a flexible and sensitive algorithm for the automated analysis of multiplex digital PCR data. https://CRAN.R-project.org/package=dPCP.

Corresponding BibTeX entry:

  @Manual{,
    title = {Digital PCR Cluster Predictor: a flexible and sensitive
      algorithm for the automated analysis of multiplex digital PCR
      data},
    author = {Alfonso {De Falco} and Daniel Stieber and Michel
      Mittelbronn},
    year = {2020},
    url = {https://CRAN.R-project.org/package=dPCP},
  }