To cite package ‘spaAlign’ in publications use:

  Omodolor HE, Yarus JM (2026). _spaAlign: Stratigraphic Plug Alignment
  for Integrating Plug-Based and XRF Data_. R package version 0.0.6,
  <https://github.com/omodolor/spaalign>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {spaAlign: Stratigraphic Plug Alignment for Integrating Plug-Based and XRF
Data},
    author = {Hope E. Omodolor and Jeffrey M. Yarus},
    year = {2026},
    note = {R package version 0.0.6},
    url = {https://github.com/omodolor/spaalign},
  }