To cite phybreak in publications use:

Don Klinkenberg, Jantien A. Backer, Xavier Didelot, Caroline Colijn, Jacco Wallinga (2017). Simultaneous inference of phylogenetic and transmission trees in infectious disease outbreaks. PLOS Computational Biology 13(5): e1005495. doi: http://dx.doi.org/10.1371/journal.pcbi.1005495

Corresponding BibTeX entry:

  @Article{,
    title = {Simultaneous inference of phylogenetic and transmission
      trees in infectious disease outbreaks},
    author = {Don Klinkenberg and Jantien A. Backer and Xavier Didelot
      and Caroline Colijn and Jacco Wallinga},
    journal = {PLOS Computational Biology},
    volume = {13},
    number = {5},
    year = {2017},
    number = {5},
    doi = {10.1371/journal.pcbi.1005495},
  }