To cite package ‘ASSET’ in publications use:

  Bhattacharjee S, Qi G, Chatterjee N, Wheeler W (2021). _ASSET: An R
  package for subset-based association analysis of heterogeneous traits
  and subtypes_. R package version 2.23.0,
  <https://bioconductor.org/packages/ASSET>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ASSET: An R package for subset-based association analysis of
heterogeneous traits and subtypes},
    author = {Samsiddhi Bhattacharjee and Guanghao Qi and Nilanjan Chatterjee and William Wheeler},
    year = {2021},
    note = {R package version 2.23.0},
    url = {https://bioconductor.org/packages/ASSET},
  }