To cite package ‘IRISSeismic’ in publications use:

  Callahan J, Casey R, Sharer G, Templeton M (2024). _IRISSeismic:
  Classes and Methods for Seismic Data Analysis_. R package version
  1.6.7, <https://CRAN.R-project.org/package=IRISSeismic>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {IRISSeismic: Classes and Methods for Seismic Data Analysis},
    author = {Jonathan Callahan and Rob Casey and Gillian Sharer and Mary Templeton},
    year = {2024},
    note = {R package version 1.6.7},
    url = {https://CRAN.R-project.org/package=IRISSeismic},
  }