To cite raytracing in publications use at least the first, if not both:

Rehbein A, Ambrizzi T, Ibarra-Espinosa S, Dutra L (2022). raytracing: An R package for identification and tracking the atmospheric Rossby waves. R package version 0.6.0, https://github.com/salvatirehbein/raytracing.

Rehbein A (2022). raytracing: Rossby Wave Ray Tracing. doi:10.32614/CRAN.package.raytracing, R package version 0.6.0, https://CRAN.R-project.org/package=raytracing.

Thanks

Corresponding BibTeX entries:

  @Manual{,
    title = {raytracing: An R package for identification and tracking
      the atmospheric Rossby waves},
    author = {Amanda Rehbein and Tercio Ambrizzi and Sergio
      Ibarra-Espinosa and Livia M. M. Dutra},
    year = {2022},
    url = {https://github.com/salvatirehbein/raytracing},
    note = {R package version 0.6.0},
  }

  @Manual{,
    title = {raytracing: Rossby Wave Ray Tracing},
    author = {Amanda Rehbein},
    year = {2022},
    note = {R package version 0.6.0},
    url = {https://CRAN.R-project.org/package=raytracing},
    doi = {10.32614/CRAN.package.raytracing},
  }