To cite soilDB in publications use:

  Beaudette, D., Skovlin, J., Roecker, S., Brown, A. (2024). soilDB:
  Soil Database Interface. R package version 2.8.4.
  <https://CRAN.R-project.org/package=soilDB>

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {soilDB: Soil Database Interface},
    author = {Dylan Beaudette and Jay Skovlin and Stephen Roecker and Andrew Brown},
    note = {R package version 2.8.4},
    url = {https://CRAN.R-project.org/package=soilDB},
    year = {2024},
  }