Citação norma APA

Schäfer, I., Hansen, H., Schön, G., Maier, W., Höfels, S., Altiner, A., . . . Bussche, H. v. d. (2009). The German MultiCare-study: Patterns of multimorbidity in primary health care – protocol of a prospective cohort study. BioMed Central.

Citação norma Chicago

Schäfer, Ingmar, et al. The German MultiCare-study: Patterns of Multimorbidity in Primary Health Care – Protocol of a Prospective Cohort Study. BioMed Central, 2009.

Citação norma MLA

Schäfer, Ingmar, et al. The German MultiCare-study: Patterns of Multimorbidity in Primary Health Care – Protocol of a Prospective Cohort Study. BioMed Central, 2009.

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