To cite package ‘lpSolveAPI’ in publications use:

  lp_solve, Konis K, Schwendinger F (2026). _lpSolveAPI: R Interface to
  'lp_solve' Version 5.5.2.0_. R package version 5.5.2.0-17.15,
  <https://github.com/florianschwendinger/lpsolveapi>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {lpSolveAPI: R Interface to 'lp_solve' Version 5.5.2.0},
    author = {{lp_solve} and Kjell Konis and Florian Schwendinger},
    year = {2026},
    note = {R package version 5.5.2.0-17.15},
    url = {https://github.com/florianschwendinger/lpsolveapi},
  }