To cite package ‘grwat’ in publications use:

  Samsonov T (2023). _grwat: River Hydrograph Separation and Analysis_.
  R package version 0.0.4.9000, , <https://github.com/tsamsonov/grwat>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {grwat: River Hydrograph Separation and Analysis},
    author = {Timofey Samsonov},
    year = {2023},
    note = {R package version 0.0.4.9000, 
},
    url = {https://github.com/tsamsonov/grwat},
  }