To cite package ‘mnpPlasmonR’ in publications use:

  Utomo G (2026). _mnpPlasmonR: Optical Response of Metallic
  Nanoparticles (Drude + Rayleigh)_. R package version 0.1.0,
  <https://CRAN.R-project.org/package=mnpPlasmonR>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {mnpPlasmonR: Optical Response of Metallic Nanoparticles (Drude + Rayleigh)},
    author = {Galih Ridho Utomo},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=mnpPlasmonR},
  }