To cite LS2W in publications use:

Eckley I, Nason G (2011). “LS2W: Implementing the Locally Stationary 2D Wavelet Process Approach in R.” Journal of Statistical Software, 43(3), 1–23. doi:10.18637/jss.v043.i03.

Corresponding BibTeX entry:

  @Article{,
    title = {{LS2W}: Implementing the Locally Stationary {2D} Wavelet
      Process Approach in {R}},
    author = {I.A. Eckley and G.P. Nason},
    journal = {Journal of Statistical Software},
    year = {2011},
    volume = {43},
    number = {3},
    pages = {1--23},
    doi = {10.18637/jss.v043.i03},
  }