To cite datafsm in publications use:

Nay JJ, Gilligan JM (2015). “Data-Driven Dynamic Decision Models.” In Yilmaz L, Chan W, Moon I, Roeder T, Macal C, Rosetti M (eds.), Proceedings of the 2015 Winter Simulation Conference.

Corresponding BibTeX entry:

    title = {Data-Driven Dynamic Decision Models},
    author = {John J. Nay and Jonathan M. Gilligan},
    booktitle = {Proceedings of the 2015 Winter Simulation Conference},
    year = {2015},
    editor = {L. Yilmaz and W.K.V. Chan and I. Moon and T.M.K. Roeder
      and C. Macal and M. Rosetti},