Citação norma APA

Stief, J., Stempfle, H., Götzberger, M., Überfuhr, P., Köpple, M., Lehnert, P., . . . Schiemann, U. (2009). Biliary diseases in heart transplanted patients: A comparison between cyclosporine a versus tacrolimus-based immunosuppression. BioMed Central.

Citação norma Chicago

Stief, J., HU Stempfle, M. Götzberger, P. Überfuhr, M. Köpple, P. Lehnert, C. Kaiser, and U. Schiemann. Biliary Diseases in Heart Transplanted Patients: A Comparison between Cyclosporine a Versus Tacrolimus-based Immunosuppression. BioMed Central, 2009.

Citação norma MLA

Stief, J., et al. Biliary Diseases in Heart Transplanted Patients: A Comparison between Cyclosporine a Versus Tacrolimus-based Immunosuppression. BioMed Central, 2009.

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