To cite the methodology implemented in rbridge, use:

  Yuzbasi B, Arashi M, Akdeniz F (2021). “Penalized regression via the
  restricted bridge estimator.” _Soft Computing_, *25*, 8401-8416.
  doi:10.1007/s00500-021-05763-9
  <https://doi.org/10.1007/s00500-021-05763-9>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Penalized regression via the restricted bridge estimator},
    author = {Bahadir Yuzbasi and Mohammad Arashi and Fikri Akdeniz},
    journal = {Soft Computing},
    year = {2021},
    volume = {25},
    pages = {8401--8416},
    doi = {10.1007/s00500-021-05763-9},
  }
