To cite package ‘tnorm’ in publications use:

  Padgham M (2019). _tnorm: Truncated Normal Distribution_. R package
  version 0.0.1, <https://github.com/mpadge/hotspotr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {tnorm: Truncated Normal Distribution},
    author = {Mark Padgham},
    year = {2019},
    note = {R package version 0.0.1},
    url = {https://github.com/mpadge/hotspotr},
  }