To cite philr in publications use:

  Justin D Silverman, Alex D Washburne, Sayan Mukherjee, Lawrence A
  David. A phylogenetic transform enhances analysis of compositional
  microbiota data. eLife 2017;6:e21887

A BibTeX entry for LaTeX users is

  @Article{,
    title = {A phylogenetic transform enhances analysis of compositional microbiota data},
    author = {Justin D Silverman and Alex D Washburne and Sayan Mukherjee and Lawrence A David},
    year = {2017},
    journal = {eLife},
    volume = {6},
    doi = {10.7554/eLife.21887},
    url = {https://elifesciences.org/content/6/e21887},
  }