To cite lightr in publications use:

Gruson H, White TE, Maia R (2019). “lightr: import spectral data and metadata in R.” Journal of Open Source Software, 4(43), 1857. doi: 10.21105/joss.01857.

Corresponding BibTeX entry:

  @Article{,
    title = {lightr: import spectral data and metadata in R},
    author = {Hugo Gruson and Thomas E. White and Rafael Maia},
    journal = {Journal of Open Source Software},
    year = {2019},
    volume = {4},
    number = {43},
    pages = {1857},
    doi = {10.21105/joss.01857},
  }