To cite deeptime in publications, use the following citation:

  Gearty, W. 2025. deeptime: an R package that facilitates highly
  customizable and reproducible visualizations of data over geological
  time intervals. Big Earth Data. doi: 10.1080/20964471.2025.2537516

A BibTeX entry for LaTeX users is

  @Article{,
    title = {deeptime: an R package that facilitates highly customizable and reproducible visualizations of data over geological time intervals},
    author = {William Gearty},
    journal = {Big Earth Data},
    year = {2025},
    doi = {10.1080/20964471.2025.2537516},
  }
