To cite package ‘PSRICalcSM’ in publications use:

  Feiss R (2026). _PSRICalcSM: Plant Stress Response Index Calculator -
  Softmax Method_. R package version 1.0.0,
  <https://CRAN.R-project.org/package=PSRICalcSM>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {PSRICalcSM: Plant Stress Response Index Calculator - Softmax Method},
    author = {Richard Feiss},
    year = {2026},
    note = {R package version 1.0.0},
    url = {https://CRAN.R-project.org/package=PSRICalcSM},
  }