To cite pvclass in publications use:

Niki Zumbrunnen, Lutz Duembgen (2017). pvclass: An R Package for p Values for Classification. Journal of Statistical Software, 78(4), 1-19.<doi:10.18637/jss.v078.i04>

Corresponding BibTeX entry:

  @Article{,
    title = {{pvclass}: An {R} Package for $p$~Values for
      Classification},
    author = {Niki Zumbrunnen and Lutz D\"umbgen},
    journal = {Journal of Statistical Software},
    year = {2017},
    volume = {78},
    number = {4},
    pages = {1--19},
    doi = {10.18637/jss.v078.i04},
  }