Citação norma APA

MacKenzie, T. A., Tosteson, T. D., Morden, N. E., Stukel, T. A., & O'Malley, A. J. (2014). Using instrumental variables to estimate a Cox's proportional hazards regression subject to additive confounding. Health Serv Outcomes Res Methodol.

Citação norma Chicago

MacKenzie, Todd A., Tor D. Tosteson, Nancy E. Morden, Therese A. Stukel, and A. James O'Malley. "Using Instrumental Variables to Estimate a Cox's Proportional Hazards Regression Subject to Additive Confounding." Health Serv Outcomes Res Methodol 2014.

Citação norma MLA

MacKenzie, Todd A., et al. "Using Instrumental Variables to Estimate a Cox's Proportional Hazards Regression Subject to Additive Confounding." Health Serv Outcomes Res Methodol 2014.

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