To cite splash in publications use:

Davis, W. T, Prentice, C. I, Stocker, D. B, Thomas, T. R, Whitley, J. R, Wang, H., Evans, J. B, Gallego-Sala, V. A, Sykes, T. M, Cramer, W. (2017). “Simple process-led algorithms for simulating habitats (SPLASH v.1.0): robust indices of radiation, evapotranspiration and plant-available moisture.” Geoscientific Model Development, 10(2), 689–708. doi:10.5194/gmd-10-689-2017, https://gmd.copernicus.org/articles/10/689/2017/.

Corresponding BibTeX entry:

  @Article{gmd-10-689-2017,
    title = {{Simple process-led algorithms for simulating habitats
      (SPLASH v.1.0): robust indices of radiation, evapotranspiration
      and plant-available moisture}},
    author = {{Davis} and T. W. and {Prentice} and I. C. and {Stocker}
      and B. D. and {Thomas} and R. T. and {Whitley} and R. J. and
      {Wang} and {H.} and {Evans} and B. J. and {Gallego-Sala} and A.
      V. and {Sykes} and M. T. and {Cramer} and {W.}},
    journal = {Geoscientific Model Development},
    year = {2017},
    volume = {10},
    number = {2},
    pages = {689--708},
    url = {https://gmd.copernicus.org/articles/10/689/2017/},
    doi = {10.5194/gmd-10-689-2017},
  }