To cite cauphy in publications use:

  Paul Bastide & Gilles Didier (2023). The Cauchy Process on
  Phylogenies: a Tractable Model for Pulsed Evolution. Systematic
  Biology. doi:10.1093/sysbio/syad053.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {The Cauchy Process on Phylogenies: a Tractable Model for Pulsed Evolution},
    author = {{Paul Bastide} and {Gilles Didier}},
    journal = {Systematic Biology},
    year = {2023},
    url = {https://doi.org/10.1093/sysbio/syad053},
  }