To cite pseudorank in publications use:

Happ M, Zimmermann G, Brunner E, Bathke AC (2020). “Pseudo-Ranks: How to Calculate Them Efficiently in R.” Journal of Statistical Software, Code Snippets, 95(1), 1–22. doi:10.18637/jss.v095.c01.

Corresponding BibTeX entry:

  @Article{,
    title = {Pseudo-Ranks: How to Calculate Them Efficiently in {R}},
    author = {Martin Happ and Georg Zimmermann and Edgar Brunner and
      Arne C. Bathke},
    journal = {Journal of Statistical Software, Code Snippets},
    year = {2020},
    volume = {95},
    number = {1},
    pages = {1--22},
    doi = {10.18637/jss.v095.c01},
  }