Cita APA (7a ed.)

Bretzel, R., Brendel, M., Eckhard, M., Brandhorst, D., Jaeger, C., Hatziagelaki, E., & Federlin, K. (2001). Islet transplantation: Present clinical situation and future aspects.

Cita Chicago Style (17a ed.)

Bretzel, R., M. Brendel, M. Eckhard, D. Brandhorst, C. Jaeger, E. Hatziagelaki, y K. Federlin. Islet Transplantation: Present Clinical Situation and Future Aspects. 2001.

Cita MLA (9a ed.)

Bretzel, R., et al. Islet Transplantation: Present Clinical Situation and Future Aspects. 2001.