To cite PResiduals in publications use:

  Liu Q, Shepherd B, Li C (2020). “PResiduals: An R Package for
  Residual Analysis Using Probability-Scale Residuals.” _Journal of
  Statistical Software_, *94*(12), 1-27. doi:10.18637/jss.v094.i12
  <https://doi.org/10.18637/jss.v094.i12>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{PResiduals}: An {R} Package for Residual Analysis Using Probability-Scale Residuals},
    author = {Qi Liu and Bryan Shepherd and Chun Li},
    journal = {Journal of Statistical Software},
    year = {2020},
    volume = {94},
    number = {12},
    pages = {1--27},
    doi = {10.18637/jss.v094.i12},
  }