To cite package ‘UCSC.utils’ in publications use:

  Pagès H (2024). _UCSC.utils: Low-level utilities to retrieve data
  from the UCSC Genome Browser_. R package version 1.1.0,
  <https://bioconductor.org/packages/UCSC.utils>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {UCSC.utils: Low-level utilities to retrieve data from the UCSC Genome
Browser},
    author = {Hervé Pagès},
    year = {2024},
    note = {R package version 1.1.0},
    url = {https://bioconductor.org/packages/UCSC.utils},
  }