To cite gamma in publications use:

Frerebeau N, Lebrun B, Paradol G (2019). gamma: Dose Rate Estimation from In-Situ Gamma-Ray Spectrometry Measurements. Université Bordeaux Montaigne, Pessac, France. R package version 1.0.0, https://doi.org/10.5281/zenodo.2652393.

Corresponding BibTeX entry:

  @Manual{,
    title = {{gamma}: Dose Rate Estimation from In-Situ Gamma-Ray
      Spectrometry Measurements},
    author = {Nicolas Frerebeau and Brice Lebrun and Guilhem Paradol},
    year = {2019},
    organization = {Université Bordeaux Montaigne},
    address = {Pessac, France},
    note = {R package version 1.0.0},
    url = {https://doi.org/10.5281/zenodo.2652393},
  }