To cite ShapeSelectForest in publications use:

Gretchen G. Moisen, Mary C. Meyer, Todd A. Schroeder, Xiyue Liao, Karen G. Schleeweis, Elizabeth A. Freeman, and Chris Toney (2016). Shape Selection in Landsat Time Series: A Tool for Monitoring Forest Dynamics. Global Change Biology 22(10), 3518-3528. URL http://onlinelibrary.wiley.com/wol1/doi/10.1111/gcb.13358/abstract.

Corresponding BibTeX entry:

  @Article{,
    title = {Shape Selection in Landsat Time Series: A Tool for
      Monitoring Forest Dynamics},
    author = {Gretchen G. Moisen and Mary C. Meyer and Todd A.
      Schroeder and Xiyue Liao and Karen G. Schleeweis and Elizabeth A.
      Freeman and Chris Toney},
    journal = {Global Change Biology},
    year = {2016},
    volume = {22},
    number = {10},
    pages = {3518--3528},
    url =
      {http://onlinelibrary.wiley.com/wol1/doi/10.1111/gcb.13358/abstract},
  }