To cite package ‘scFOCAL’ in publications use:

  Liu Z, Suter R, Ayad N (2026). _scFOCAL: Integration of Drug and
  Single-Cell Gene Expression Signatures_. R package version 0.1.0,
  <https://github.com/zaoqu-liu/scfocal>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {scFOCAL: Integration of Drug and Single-Cell Gene Expression Signatures},
    author = {Zaoqu Liu and Robert K. Suter and Nagi G. Ayad},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/zaoqu-liu/scfocal},
  }