To cite package ‘ltertools’ in publications use:

Lyon N, Chen A (2026). ltertools: Tools Developed by the Long Term Ecological Research Community. R package version 2.1.0.900, https://github.com/lter/ltertools.

Corresponding BibTeX entry:

  @Manual{,
    title = {ltertools: Tools Developed by the Long Term Ecological
      Research Community},
    author = {Nicholas Lyon and Angel Chen},
    year = {2026},
    note = {R package version 2.1.0.900},
    url = {https://github.com/lter/ltertools},
  }