To cite the Wats package in publications, please use:

  Joseph Lee Rodgers, William Howard Beasley, Matthew Schuelke.
  Graphical Data Analysis on the Circle: Wrap-around Time Series Plots
  for (Interrupted) Time Series Designs.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {{Joseph Lee Rodgers} and {William Howard Beasley} and {Matthew Schuelke}},
    title = {Graphical Data Analysis on the Circle:  Wrap-around Time Series Plots for (Interrupted) Time Series Designs},
    journal = {Multivariate Behavioral Research},
    year = {2014},
    volume = {49},
    number = {6},
    pages = {571--580},
    publisher = {Taylor and Francis},
    doi = {10.1080/00273171.2014.946589},
    url = {https://github.com/OuhscBbmc/Wats},
  }