To cite sparsegl in publications use:

  Liang X, Cohen A, Solón Heinsfeld A, Pestilli F, McDonald DJ (2024).
  “sparsegl: An R Package for Estimating Sparse Group Lasso.” _Journal
  of Statistical Software_, *110*(6), 1-23. doi:10.18637/jss.v110.i06
  <https://doi.org/10.18637/jss.v110.i06>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{sparsegl}: An {R} Package for Estimating Sparse Group Lasso},
    author = {Xiaoxuan Liang and Aaron Cohen and Anibal {Sol{\'o}n Heinsfeld} and Franco Pestilli and Daniel J. McDonald},
    journal = {Journal of Statistical Software},
    year = {2024},
    volume = {110},
    number = {6},
    pages = {1--23},
    doi = {10.18637/jss.v110.i06},
  }