To cite the 'locits' package in publications use:

Guy Nason (2013). locits: Tests of stationarity and localized autocovariance.R package version 1.4.

Nason, G.P. (2013) A test for second-order stationarity and approximate confidence intervals for localized autocovariances for locally stationary time series. Journal of the Royal Statistical Society, Series B 75:879--904

Corresponding BibTeX entries:

  @Manual{,
    title = {locits: Tests of stationarity and localized
      autocovariance},
    author = {Guy Nason},
    year = {2013},
    note = {R package version 1.4},
  }
  @Article{,
    title = {A test for second-order stationarity and approximate
      confidence intervals for localized autocovariances for locally
      stationary time series},
    author = {G. P. Nason},
    journal = {Journal of the Royal Statistical Society, Series B},
    volume = {75},
    year = {2013},
    pages = {879--904},
    url = {http://www.stats.bris.ac.uk/~guy},
  }