To cite package ‘cydar’ in publications use:

  Lun ATL, Richard AC, Marioni JC (2017). “Testing for differential
  abundance in mass cytometry data.” _Nat. Methods_, *14*, 707-709.
  doi:10.1038/nmeth.4295 <https://doi.org/10.1038/nmeth.4295>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Testing for differential abundance in mass cytometry data},
    author = {Aaron T. L. Lun and Arianne C. Richard and John C. Marioni},
    journal = {Nat. Methods},
    year = {2017},
    volume = {14},
    issue = {7},
    pages = {707-709},
    doi = {10.1038/nmeth.4295},
  }