To cite package ‘multimark’ in publications use:

McClintock BT (2015). “multimark: an R package for analysis of capture–recapture data consisting of multiple “noninvasive” marks.” Ecology and Evolution, 5(21), 4920–4931. https://doi.org/10.1002/ece3.1676.

To help with reproducibility of output please cite its version number. This is 'multimark' version 2.1.7

Corresponding BibTeX entry:

  @Article{,
    title = {{multimark}: an {R} package for analysis of
      capture--recapture data consisting of multiple ``noninvasive''
      marks},
    author = {Brett T. McClintock},
    year = {2015},
    journal = {Ecology and Evolution},
    volume = {5},
    number = {21},
    pages = {4920--4931},
    url = {https://doi.org/10.1002/ece3.1676},
  }