To cite package ‘terra’ in publications use:

Hijmans R, Brown A, Barbosa AM, Cordano E, Dyba K (2026). terra: Spatial Data Analysis. R package version 1.9-50, https://CRAN.R-project.org/package=terra.

Corresponding BibTeX entry:

  @Manual{,
    title = {terra: Spatial Data Analysis},
    author = {Robert J. Hijmans and Andrew Brown and A. Márcia Barbosa
      and Emanuele Cordano and Krzysztof Dyba},
    year = {2026},
    note = {R package version 1.9-50},
    url = {https://CRAN.R-project.org/package=terra},
  }