Cita APA

Sox, H. C., Helfand, M., Grimshaw, J., Dickersin, K., Tovey, D., Knottnerus, J. A., & Tugwell, P. (2010). Comparative effectiveness research: Challenges for medical journals. BioMed Central.

Citación estilo Chicago

Sox, Harold C., Mark Helfand, Jeremy Grimshaw, Kay Dickersin, David Tovey, J André Knottnerus, and Peter Tugwell. Comparative Effectiveness Research: Challenges for Medical Journals. BioMed Central, 2010.

Cita MLA

Sox, Harold C., et al. Comparative Effectiveness Research: Challenges for Medical Journals. BioMed Central, 2010.

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