Royston, P., & Sauerbrei, W. (2008). Multivariable model-building: A pragmatic approach to regression analysis based on fractional polynomials for modelling continuous variables. John Wiley.
Chicago Style (17th ed.) CitationRoyston, Patrick, and Willi Sauerbrei. Multivariable Model-building: A Pragmatic Approach to Regression Analysis Based on Fractional Polynomials for Modelling Continuous Variables. Chichester, England ; Hoboken, NJ: John Wiley, 2008.
MLA (9th ed.) CitationRoyston, Patrick, and Willi Sauerbrei. Multivariable Model-building: A Pragmatic Approach to Regression Analysis Based on Fractional Polynomials for Modelling Continuous Variables. John Wiley, 2008.
Warning: These citations may not always be 100% accurate.