To cite qgam in publications use:

Fasiolo M, Wood SN, Zaffran M, Nedellec R, Goude Y (2021). “qgam: Bayesian Nonparametric Quantile Regression Modeling in R.” Journal of Statistical Software, 100(9), 1–31. doi:10.18637/jss.v100.i09.

Corresponding BibTeX entry:

  @Article{,
    title = {{qgam}: {B}ayesian Nonparametric Quantile Regression
      Modeling in {R}},
    author = {Matteo Fasiolo and Simon N. Wood and Margaux Zaffran and
      Rapha\"el Nedellec and Yannig Goude},
    journal = {Journal of Statistical Software},
    year = {2021},
    volume = {100},
    number = {9},
    pages = {1--31},
    doi = {10.18637/jss.v100.i09},
  }