APA (7th ed.) Citation

Hellwig, Z. (1970). Approximative methods of selection of an optimal set of predictors. UNESCO, Methods and Analysis Unit, Department of Social Sciences.

Chicago Style (17th ed.) Citation

Hellwig, Zdzisław. Approximative Methods of Selection of an Optimal Set of Predictors. Paris: UNESCO, Methods and Analysis Unit, Department of Social Sciences, 1970.

MLA (8th ed.) Citation

Hellwig, Zdzisław. Approximative Methods of Selection of an Optimal Set of Predictors. UNESCO, Methods and Analysis Unit, Department of Social Sciences, 1970.