Citação norma APA

De Leon, A. R., & Punzalan, J. R. B. (2013). An elementary proof independence of least squares estimators of regression coefficients and of variance in linear regression. Philippine Statistician.

Citação norma Chicago

De Leon, Alexander R., and Joyce Raymond B. Punzalan. "An Elementary Proof Independence of Least Squares Estimators of Regression Coefficients and of Variance in Linear Regression." Philippine Statistician 2013.

Citação norma MLA

De Leon, Alexander R., and Joyce Raymond B. Punzalan. "An Elementary Proof Independence of Least Squares Estimators of Regression Coefficients and of Variance in Linear Regression." Philippine Statistician, 2013.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.