To cite aws in publications use:

Polzehl J, Papafitsoros K, Tabelow K (2020). “Patch-Wise Adaptive Weights Smoothing in R.” Journal of Statistical Software, 95(6), 1–27. doi: 10.18637/jss.v095.i06.

Corresponding BibTeX entry:

  @Article{,
    title = {Patch-Wise Adaptive Weights Smoothing in {R}},
    author = {J\"org Polzehl and Kostas Papafitsoros and Karsten
      Tabelow},
    journal = {Journal of Statistical Software},
    year = {2020},
    volume = {95},
    number = {6},
    pages = {1--27},
    doi = {10.18637/jss.v095.i06},
  }