To cite package ‘Rtropical’ in publications use:

Wang H, Wang K, Weyenberg G, Tang X, Yoshida R (2022). Rtropical: Data Analysis Tools over Space of Phylogenetic Trees Using Tropical Geometry. R package version 1.2.1, https://github.com/houjiewang/rtropical.

Corresponding BibTeX entry:

  @Manual{,
    title = {Rtropical: Data Analysis Tools over Space of Phylogenetic
      Trees Using Tropical Geometry},
    author = {Houjie Wang and Kaizhang Wang and Grady Weyenberg and
      Xiaoxian Tang and Ruriko Yoshida},
    year = {2022},
    note = {R package version 1.2.1},
    url = {https://github.com/houjiewang/rtropical},
  }