To cite package ‘Rglpk’ in publications use:

  Theussl S, Hornik K (2024). _Rglpk: R/GNU Linear Programming Kit
  Interface_. R package version 0.6-5.1, ,
  <https://r-forge.r-project.org/projects/rglp>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Rglpk: R/GNU Linear Programming Kit Interface},
    author = {Stefan Theussl and Kurt Hornik},
    year = {2024},
    note = {R package version 0.6-5.1, 
},
    url = {https://r-forge.r-project.org/projects/rglp},
  }