APA (7th ed.) Citation

Freedman, D. A. (2008). On regression adjustments to experimental data. Advances in applied mathematics, 40(2), 180-193. https://doi.org/10.1016/j.aam.2006.12.003

Chicago Style (17th ed.) Citation

Freedman, David A. "On Regression Adjustments to Experimental Data." Advances in Applied Mathematics 40, no. 2 (2008): 180-193. https://doi.org/10.1016/j.aam.2006.12.003.

MLA (9th ed.) Citation

Freedman, David A. "On Regression Adjustments to Experimental Data." Advances in Applied Mathematics, vol. 40, no. 2, 2008, pp. 180-193, https://doi.org/10.1016/j.aam.2006.12.003.