To cite package ‘optiSolve’ in publications use:

  Wellmann R (2026). _optiSolve: Linear, Quadratic, and Rational
  Optimization_. R package version 1.0.1,
  <https://CRAN.R-project.org/package=optiSolve>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {optiSolve: Linear, Quadratic, and Rational Optimization},
    author = {Robin Wellmann},
    year = {2026},
    note = {R package version 1.0.1},
    url = {https://CRAN.R-project.org/package=optiSolve},
  }