Citação norma APA

Soumerai, S. B., & Koppel, R. (2016). The Reliability of Instrumental Variables in Health Care Effectiveness Research: Less Is More. Health Serv Res.

Citação norma Chicago

Soumerai, Stephen B., and Ross Koppel. "The Reliability of Instrumental Variables in Health Care Effectiveness Research: Less Is More." Health Serv Res 2016.

Citação norma MLA

Soumerai, Stephen B., and Ross Koppel. "The Reliability of Instrumental Variables in Health Care Effectiveness Research: Less Is More." Health Serv Res 2016.

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