To cite package ‘PUPMSI’ in publications use:

  Panganiban J, Rivera R, Villacorte K, Deocaris C (2022). _PUPMSI:
  Moisture Sorption Isotherm Modeling Program_. R package version
  0.1.0, <https://CRAN.R-project.org/package=PUPMSI>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {PUPMSI: Moisture Sorption Isotherm Modeling Program},
    author = {John Carlo Panganiban and Ronald Benz Rivera and Kim Villacorte and Chester Deocaris},
    year = {2022},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=PUPMSI},
  }