To cite gammaShiny in publications use:

  Lebrun B, Frerebeau N, Paradol G, Guérin G, Mercier N, Tribolo C,
  Lahaye C, Rizza M (2020). “gamma: An R Package for Dose Rate
  Estimation from In-Situ Gamma-Ray Spectrometry Measurements.”
  _Ancient TL_, *38*(2), 1-5.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Brice Lebrun and Nicolas Frerebeau and Guilhem Paradol and Guillaume Guérin and Norbert Mercier and Chantal Tribolo and Christelle Lahaye and Magali Rizza},
    title = {{gamma: An R Package for Dose Rate Estimation from In-Situ Gamma-Ray Spectrometry Measurements}},
    year = {2020},
    journal = {Ancient TL},
    volume = {38},
    number = {2},
    pages = {1-5},
  }