To cite package ‘FitHiC’ in publications use:

  Ay F, Bailey TL, Noble WS, Tan R (2017). _FitHiC: Confidence
  estimation for intra-chromosomal contact maps_. R package version
  1.31.0, <https://bioconductor.org/packages/FitHiC>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {FitHiC: Confidence estimation for intra-chromosomal contact maps},
    author = {Ferhat Ay and Timothy L. Bailey and William S. Noble and Ruyu Tan},
    year = {2017},
    note = {R package version 1.31.0},
    url = {https://bioconductor.org/packages/FitHiC},
  }