To cite glmnet in publications use:

Giovanna Cilluffo, Gianluca Sottile, Stefania La Grutta, Vito MR Muggeo (2019). The Induced Smoothed lasso: A practical framework for hypothesis testing in high dimensional regression. Statistical Methods in Medical Research, 0(0), 1-13.<doi:10.1177/0962280219842890>.

Corresponding BibTeX entry:

  @Article{,
    title = {The Induced Smoothed lasso: A practical framework for
      hypothesis testing in high dimensional regression},
    author = {Giovanna Cilluffo and Gianluca Sottile and Stefania {La
      Grutta} and Vito MR Muggeo},
    journal = {Statistical Methods in Medical Research},
    year = {2019},
    volume = {0},
    number = {0},
    pages = {1--13},
    doi = {10.1177/0962280219842890},
  }