To cite xROI in publications, please cite both the paper and the R package:

Bijan Seyednasrollah, Thomas Milliman, Andrew D. Richardson (2018). Data extraction from digital repeat photography using xROI: An interactive framework to facilitate the process, in review.

Bijan Seyednasrollah, Thomas Milliman, Andrew D. Richardson (2018). xROI: A Toolkit to Delineate Region of Interests (ROI's) and Extract Time-series Data from Digital Repeat Photography Images<doi:10.5281/zenodo.1202273>

Corresponding BibTeX entries:

  @Article{,
    author = {Bijan Seyednasrollah and Thomas Milliman and Andrew D.
      Richardson},
    title = {Data extraction from digital repeat photography using
      xROI: An interactive framework to facilitate the process},
    publisher = {Elsevier},
    journal = {in review},
    year = {2018},
  }
  @Manual{,
    author = {Bijan Seyednasrollah and Thomas Milliman and Andrew D.
      Richardson},
    title = {xROI: A Toolkit to Delineate Region of Interests (ROI's)
      and Extract Time-series Data from Digital Repeat Photography
      Images},
    year = {2018},
    url = {http://doi.org/10.5281/zenodo.1202273},
  }