To cite package ‘sealeveltools’ in publications use:

  Kovačević J, Nuttall C (2026). _sealeveltools: Sea Level Adjustment
  and Coastal Terrain Modeling_. R package version 0.3.0,
  <https://CRAN.R-project.org/package=sealeveltools>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {sealeveltools: Sea Level Adjustment and Coastal Terrain Modeling},
    author = {Jovan Kovačević and Christopher Nuttall},
    year = {2026},
    note = {R package version 0.3.0},
    url = {https://CRAN.R-project.org/package=sealeveltools},
  }