To cite R2ucare in publications use:

Gimenez, O., Lebreton, J.-D., Choquet, R. and Pradel, R. 2018. Methods in Ecology and Evolution 9: 1749-1754.

Corresponding BibTeX entry:

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