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Below you will find a complete set of details for 3 different references / citations that are related to the computation of p-values for a chi-square test.

Reference for Citing the Online Calculator

- Soper, D.S. (2017). p-Value Calculator for a Chi-Square Test [Software]. Available from http://www.danielsoper.com/statcalc

References from the Scientific Literature

- Abramowitz, M. and Stegun, I.A., eds. (1965). Handbook of Mathematical Functions. New York, NY: Dover.
- Johnson, N. and Kotz. S. (1970). Distributions in Statistics: Continuous Univariate Distributions. Hoboken, NJ: John Wiley & Sons.

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