The following references can be used to cite this cumulative distribution function (cdf) calculator for the chi-square distribution:
 | Soper, D.S. (2013). Cumulative Distribution Function (CDF) Calculator for the Chi-Square Distribution [Software]. Available from http://www.danielsoper.com/statcalc |
 | Abramowitz, M. and Stegun, I.A., eds. (1965). Handbook of Mathematical Functions. New York, NY: Dover. |