To cite package ‘CRTspat’ in publications use:

  Smith T (2024). _CRTspat: Workflow for Cluster Randomised Trials with
  Spillover_. R package version 1.3.0,
  <https://CRAN.R-project.org/package=CRTspat>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {CRTspat: Workflow for Cluster Randomised Trials with Spillover},
    author = {Thomas Smith},
    year = {2024},
    note = {R package version 1.3.0},
    url = {https://CRAN.R-project.org/package=CRTspat},
  }