To cite the NIST Standard Reference Simulation Website, we suggest use of a citation format appropriate to that of an edited book:
Shen, V.K., Siderius, D.W., Krekelberg, W.P., and Hatch, H.W., Eds., NIST Standard Reference Simulation Website, NIST Standard Reference Database Number 173, National Institute of Standards and Technology, Gaithersburg MD, 20899, http://doi.org/10.18434/T4M88Q, (retrieved <date of access>).