To cite brtobit in publications use:

  Köll S, Kosmidis I, Kleiber C, Zeileis A (2021). “Bias Reduction as a
  Remedy to the Consequences of Infinite Estimates in Poisson and Tobit
  Regression.” arXiv 2101.07141, arXiv.org E-Print Archive.
  <https://arxiv.org/abs/2101.07141>.

A BibTeX entry for LaTeX users is

  @TechReport{,
    title = {Bias Reduction as a Remedy to the Consequences of Infinite Estimates in {P}oisson and {T}obit Regression},
    author = {Susanne K{\"oll} and Ioannis Kosmidis and Christian Kleiber and Achim Zeileis},
    year = {2021},
    institution = {arXiv.org E-Print Archive},
    type = {arXiv},
    number = {2101.07141},
    month = {January},
    url = {https://arxiv.org/abs/2101.07141},
  }