To cite the methodology applied in the 'mpcv' package, please use:

Krzysztof Ciupke (2014). Multivariate Process Capability Vector Based on One-Sided Model. Quality and Reliability Engineering International, doi:10.1002/qre.1590

Corresponding BibTeX entry:

  @Article{,
    title = {Multivariate Process Capability Vector Based on One-Sided
      Model},
    author = {Krzysztof Ciupke},
    year = {2014},
    note = {R package version 1.1},
    journal = {Quality and Reliability Engineering International},
    doi = {10.1002/qre.1590},
  }