To cite package ‘greencrab.toolkit’ in publications use:

  Keller A (2023). _greencrab.toolkit: Run 'Stan' Models to Interpret
  Green Crab Monitoring Assessments_. R package version 0.2,
  <https://CRAN.R-project.org/package=greencrab.toolkit>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {greencrab.toolkit: Run 'Stan' Models to Interpret Green Crab Monitoring Assessments},
    author = {Abigail G. Keller},
    year = {2023},
    note = {R package version 0.2},
    url = {https://CRAN.R-project.org/package=greencrab.toolkit},
  }