To cite package 'lmSubsets' in publications use:

  Hofmann M, Gatu C, Kontoghiorghes E, Colubi A, Zeileis A (2020).
  _lmSubsets: Exact Variable-Subset Selection in Linear Regression_. R
  package version 0.5-1,
  <https://CRAN.R-project.org/package=lmSubsets>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {{lmSubsets}: Exact Variable-Subset Selection in Linear Regression},
    author = {Marc Hofmann and Cristian Gatu and Erricos J. Kontoghiorghes and Ana Colubi and Achim Zeileis},
    year = {2020},
    note = {R package version 0.5-1},
    url = {https://CRAN.R-project.org/package=lmSubsets},
  }

  Hofmann M, Gatu C, Kontoghiorghes EJ, Colubi A, Zeileis A (2020).
  “lmSubsets: Exact Variable-Subset Selection in Linear Regression for
  R.” _Journal of Statistical Software_, *93*(3), 1-21.
  doi:10.18637/jss.v093.i03 <https://doi.org/10.18637/jss.v093.i03>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{lmSubsets}: Exact Variable-Subset Selection in Linear Regression for {R}},
    author = {Marc Hofmann and Cristian Gatu and Erricos J. Kontoghiorghes and Ana Colubi and Achim Zeileis},
    journal = {Journal of Statistical Software},
    year = {2020},
    volume = {93},
    number = {3},
    pages = {1--21},
    doi = {10.18637/jss.v093.i03},
  }

  Hofmann M, Gatu C, Kontoghiorghes EJ (2007). “Efficient algorithms
  for computing the best subset regression models for large-scale
  problems.” _Computational Statistics & Data Analysis_, *52*, 16-29.
  doi:10.1016/j.csda.2007.03.017
  <https://doi.org/10.1016/j.csda.2007.03.017>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Efficient algorithms for computing the best subset regression models for large-scale problems},
    author = {Marc Hofmann and Cristian Gatu and Erricos J. Kontoghiorghes},
    journal = {Computational Statistics & Data Analysis},
    year = {2007},
    volume = {52},
    pages = {16-29},
    doi = {10.1016/j.csda.2007.03.017},
  }

  Gatu C, Kontoghiorghes EJ (2006). “Branch-and-bound algorithms for
  computing the best subset regression models.” _Journal of
  Computational and Graphical Statistics_, *15*, 139-156.
  doi:10.1198/106186006x100290
  <https://doi.org/10.1198/106186006x100290>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Branch-and-bound algorithms for computing the best subset regression models},
    author = {Cristian Gatu and Erricos J. Kontoghiorghes},
    journal = {Journal of Computational and Graphical Statistics},
    year = {2006},
    volume = {15},
    pages = {139-156},
    doi = {10.1198/106186006x100290},
  }

  Hofmann M (2009). _Algorithms for statistical model selection and
  robust estimation_. Ph.D. thesis, University of Neuchatel,
  Switzerland. Supervisor: Erricos J. Kontoghiorghes.

A BibTeX entry for LaTeX users is

  @PhdThesis{,
    title = {Algorithms for statistical model selection and robust estimation},
    author = {Marc Hofmann},
    school = {University of Neuchatel, Switzerland},
    year = {2009},
    note = {Supervisor: Erricos J. Kontoghiorghes},
  }