To cite package ‘SMASH’ in publications use:

  Little P, Lin DY, Sun W (2019). “Associating somatic mutations to
  clinical outcomes: a pan-cancer study of survival time.” _Genome
  Medicine_, *11*(1), 1-15. doi:10.1186/s13073-019-0643-9
  <https://doi.org/10.1186/s13073-019-0643-9>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Associating somatic mutations to clinical outcomes: a pan-cancer study of survival time},
    author = {Paul Little and Dan Yu Lin and Wei Sun},
    journal = {Genome Medicine},
    year = {2019},
    volume = {11},
    number = {1},
    pages = {1--15},
    doi = {10.1186/s13073-019-0643-9},
  }