To cite package 'SpecHelpers' in publications use:

Hanson BA (2017). SpecHelpers: Spectroscopy Related Utilities. R package version 0.2.7, github.com/bryanhanson/SpecHelpers.

Corresponding BibTeX entry:

  @Manual{,
    title = {SpecHelpers: Spectroscopy Related Utilities},
    author = {Bryan A. Hanson},
    year = {2017},
    note = {R package version 0.2.7},
    url = {github.com/bryanhanson/SpecHelpers},
  }