To cite package ‘hydroloom’ in publications use:

  Blodgett, D., 2023, hydroloom: Utilities to Weave Hydrologic Fabrics,
  https://doi.org/10.5066/P9AQCUY0

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {hydroloom: Utilities to Weave Hydrologic Fabrics},
    publisher = {U.S. Geological Survey},
    address = {Reston, VA},
    version = {v1.0.0},
    institution = {U.S. Geological Survey},
    author = {David Blodgett},
    year = {2023},
    url = {https://doi.org/10.5066/P9AQCUY0},
  }