Please cite the Dakota User's Manual (see SAND Reports) for the version you used. For example:
- Adams, B.M., Bauman, L.E., Bohnhoff, W.J., Dalbey, K.R., Ebeida, M.S., Eddy, J.P., Eldred, M.S., Hough, P.D., Hu, K.T., Jakeman, J.D., Stephens, J.A., Swiler, L.P., Vigil, D.M., and Wildey, T.M., "Dakota, A Multilevel Parallel Object-Oriented Framework for Design Optimization, Parameter Estimation, Uncertainty Quantification, and Sensitivity Analysis: Version 6.0 User’s Manual," Sandia Technical Report SAND2014-4633, July 2014. Updated November 2015 (Version 6.3).
Previous versions of the User's Manual are available from the manuals page.