If using 'TBRDist' in your research, please cite Whidden and Matsen (2017). A citation to the R package (Smith 2019) would also be welcome. Whidden & Matsen (2017). Calculating the Unrooted Subtree Prune-and-Regraft Distance. arXiv:1511.07529 A BibTeX entry for LaTeX users is @Article{Whidden2017, title = {Calculating the Unrooted Subtree-Prune-and-Regraft Distance.}, author = {Chris Whidden and Frederick A. Matsen}, journal = {eprint at arXiv}, year = {2017}, arxiv = {1511.07529}, } Smith (2019). TBRDist: Calculate Rearrangement Distances Between Unrooted Phylogenetic Trees. R package version 1.0.2. Comprehensive R Archive Network. doi: 10.5281/zenodo.3548333 A BibTeX entry for LaTeX users is @Manual{Smith2019, title = {TBRDist: Calculate Rearrangement Distances Between Unrooted Phylogenetic Trees}, author = {Martin R. Smith}, note = {R package version 1.0.2}, publisher = {Comprehensive R Archive Network}, year = {2019}, doi = {10.5281/zenodo.3548333}, }