To cite cdfquantreg in publications use:

Shou Y, Smithson M (2019). “cdfquantreg: An R Package for CDF-Quantile Regression.” Journal of Statistical Software, 88(1), 1–30. doi:10.18637/jss.v088.i01.

Corresponding BibTeX entry:

  @Article{,
    title = {{cdfquantreg}: An {R} Package for {CDF}-Quantile
      Regression},
    author = {Yiyun Shou and Michael Smithson},
    journal = {Journal of Statistical Software},
    year = {2019},
    volume = {88},
    number = {1},
    pages = {1--30},
    doi = {10.18637/jss.v088.i01},
  }