To cite R2ucare in publications use:

Gimenez, Olivier, Lebreton, Jean-Dominique, Choquet, Rémi, Pradel, Roger (2018). “R2ucare: An R package to perform goodness-of-fit tests for capture–recapture models.” Methods in Ecology and Evolution, 9(7), 1749-1754. https://oliviergimenez.github.io/R2ucare/.

Corresponding BibTeX entry:

  @Article{,
    title = {R2ucare: An R package to perform goodness-of-fit tests for
      capture–recapture models},
    author = {{Gimenez} and {Olivier} and {Lebreton} and
      {Jean-Dominique} and {Choquet} and {Rémi} and {Pradel} and
      {Roger}},
    journal = {Methods in Ecology and Evolution},
    year = {2018},
    volume = {9},
    number = {7},
    pages = {1749-1754},
    url = {https://oliviergimenez.github.io/R2ucare/},
  }