To cite hsdar in publications use:

Lehnert LW, Meyer H, Obermeier WA, Silva B, Regeling B, Thies B, Bendix J (2019). “Hyperspectral Data Analysis in R: The hsdar Package.” Journal of Statistical Software, 89(12), 1–23. doi: 10.18637/jss.v089.i12.

Corresponding BibTeX entry:

  @Article{,
    title = {Hyperspectral Data Analysis in {R}: The {hsdar} Package},
    author = {Lukas W. Lehnert and Hanna Meyer and Wolfgang A.
      Obermeier and Brenner Silva and Bianca Regeling and Boris Thies
      and J\"{o}rg Bendix},
    journal = {Journal of Statistical Software},
    year = {2019},
    volume = {89},
    number = {12},
    pages = {1--23},
    doi = {10.18637/jss.v089.i12},
  }