To cite grpsel in publications use:

Thompson R, Vahid F (2024). “Group selection and shrinkage: Structured sparsity for semiparametric additive models.” Journal of Computational and Graphical Statistics, 33(4), 1286–1297.

Corresponding BibTeX entry:

  @Article{,
    title = {Group selection and shrinkage: Structured sparsity for
      semiparametric additive models},
    author = {Ryan Thompson and Farshid Vahid},
    journal = {Journal of Computational and Graphical Statistics},
    volume = {33},
    number = {4},
    pages = {1286--1297},
    year = {2024},
  }